Finding the Fourth Proportional to 409,570,398.72, 614,792,790.72 and 176,516,123.67

Step by Step Solution

1. Step 1: Write the proportion equation
   409,570,398.72 : 614,792,790.72 = 176,516,123.67 : x
2. Step 2: Convert to fraction form
   409,570,398.72/614,792,790.72 = 176,516,123.67/x
3. Step 3: Cross multiply
   409,570,398.72x = 614,792,790.72 × 176,516,123.67
4. Step 4: Simplify right side
   409,570,398.72x = 108,520,840,278,155,952
5. Step 5: Solve for x
   x = 108,520,840,278,155,952/409,570,398.72
6. Step 6: Final answer
   x = 264,962,606.23