Finding the Fourth Proportional to 85,846,309,255.69, 128,788,669,287.82 and 26,159,642,844.46

Step by Step Solution

1. Step 1: Write the proportion equation
   85,846,309,255.69 : 128,788,669,287.82 = 26,159,642,844.46 : x
2. Step 2: Convert to fraction form
   85,846,309,255.69/128,788,669,287.82 = 26,159,642,844.46/x
3. Step 3: Cross multiply
   85,846,309,255.69x = 128,788,669,287.82 × 26,159,642,844.46
4. Step 4: Simplify right side
   85,846,309,255.69x = 3,369,065,590,982,002,081,792
5. Step 5: Solve for x
   x = 3,369,065,590,982,002,081,792/85,846,309,255.69
6. Step 6: Final answer
   x = 39,245,316,661.75