Finding the Fourth Proportional to 243,520.72, 335,841.02 and 152,885.13

Step by Step Solution

1. Step 1: Write the proportion equation
   243,520.72 : 335,841.02 = 152,885.13 : x
2. Step 2: Convert to fraction form
   243,520.72/335,841.02 = 152,885.13/x
3. Step 3: Cross multiply
   243,520.72x = 335,841.02 × 152,885.13
4. Step 4: Simplify right side
   243,520.72x = 51,345,098,002.03
5. Step 5: Solve for x
   x = 51,345,098,002.03/243,520.72
6. Step 6: Final answer
   x = 210,844.88