Finding the Fourth Proportional to 52,304.92, 72,191.29 and 31,080.08

Step by Step Solution

1. Step 1: Write the proportion equation
   52,304.92 : 72,191.29 = 31,080.08 : x
2. Step 2: Convert to fraction form
   52,304.92/72,191.29 = 31,080.08/x
3. Step 3: Cross multiply
   52,304.92x = 72,191.29 × 31,080.08
4. Step 4: Simplify right side
   52,304.92x = 2,243,711,068.50
5. Step 5: Solve for x
   x = 2,243,711,068.50/52,304.92
6. Step 6: Final answer
   x = 42,896.75