Finding the Fourth Proportional to 2,315,139,036.82, 3,194,920,928.25 and 1,257,884,665.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315,139,036.82 : 3,194,920,928.25 = 1,257,884,665.31 : x
2. Step 2: Convert to fraction form
   2,315,139,036.82/3,194,920,928.25 = 1,257,884,665.31/x
3. Step 3: Cross multiply
   2,315,139,036.82x = 3,194,920,928.25 × 1,257,884,665.31
4. Step 4: Simplify right side
   2,315,139,036.82x = 4,018,842,042,531,653,120
5. Step 5: Solve for x
   x = 4,018,842,042,531,653,120/2,315,139,036.82
6. Step 6: Final answer
   x = 1,735,896,625.91