Finding the Fourth Proportional to 1,229,678,978,071.10, 1,697,010,332,326.30 and 680,970,283,004.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229,678,978,071.10 : 1,697,010,332,326.30 = 680,970,283,004.10 : x
2. Step 2: Convert to fraction form
   1,229,678,978,071.10/1,697,010,332,326.30 = 680,970,283,004.10/x
3. Step 3: Cross multiply
   1,229,678,978,071.10x = 1,697,010,332,326.30 × 680,970,283,004.10
4. Step 4: Simplify right side
   1,229,678,978,071.10x = 1,155,613,606,265,122,354,888,704
5. Step 5: Solve for x
   x = 1,155,613,606,265,122,354,888,704/1,229,678,978,071.10
6. Step 6: Final answer
   x = 939,768,530,545.95