Finding the Fourth Proportional to 52,387.32, 72,294.50 and 28,514.17

Step by Step Solution

1. Step 1: Write the proportion equation
   52,387.32 : 72,294.50 = 28,514.17 : x
2. Step 2: Convert to fraction form
   52,387.32/72,294.50 = 28,514.17/x
3. Step 3: Cross multiply
   52,387.32x = 72,294.50 × 28,514.17
4. Step 4: Simplify right side
   52,387.32x = 2,061,417,663.07
5. Step 5: Solve for x
   x = 2,061,417,663.07/52,387.32
6. Step 6: Final answer
   x = 39,349.55