Finding the Fourth Proportional to 52,385.52, 72,293.56 and 28,513.74

Step by Step Solution

1. Step 1: Write the proportion equation
   52,385.52 : 72,293.56 = 28,513.74 : x
2. Step 2: Convert to fraction form
   52,385.52/72,293.56 = 28,513.74/x
3. Step 3: Cross multiply
   52,385.52x = 72,293.56 × 28,513.74
4. Step 4: Simplify right side
   52,385.52x = 2,061,359,773.51
5. Step 5: Solve for x
   x = 2,061,359,773.51/52,385.52
6. Step 6: Final answer
   x = 39,349.80