Finding the Fourth Proportional to 398,359,404.72, 597,540,228.09 and 152,791,313.52

Step by Step Solution

1. Step 1: Write the proportion equation
   398,359,404.72 : 597,540,228.09 = 152,791,313.52 : x
2. Step 2: Convert to fraction form
   398,359,404.72/597,540,228.09 = 152,791,313.52/x
3. Step 3: Cross multiply
   398,359,404.72x = 597,540,228.09 × 152,791,313.52
4. Step 4: Simplify right side
   398,359,404.72x = 91,298,956,330,911,520
5. Step 5: Solve for x
   x = 91,298,956,330,911,520/398,359,404.72
6. Step 6: Final answer
   x = 229,187,400.24