Finding the Fourth Proportional to 398,361,068.56, 597,542,713.96 and 152,792,976.56

Step by Step Solution

1. Step 1: Write the proportion equation
   398,361,068.56 : 597,542,713.96 = 152,792,976.56 : x
2. Step 2: Convert to fraction form
   398,361,068.56/597,542,713.96 = 152,792,976.56/x
3. Step 3: Cross multiply
   398,361,068.56x = 597,542,713.96 × 152,792,976.56
4. Step 4: Simplify right side
   398,361,068.56x = 91,300,329,887,689,072
5. Step 5: Solve for x
   x = 91,300,329,887,689,072/398,361,068.56
6. Step 6: Final answer
   x = 229,189,891.01