Finding the Fourth Proportional to 52,552.31, 72,523.71 and 28,680.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,552.31 : 72,523.71 = 28,680.52 : x
2. Step 2: Convert to fraction form
   52,552.31/72,523.71 = 28,680.52/x
3. Step 3: Cross multiply
   52,552.31x = 72,523.71 × 28,680.52
4. Step 4: Simplify right side
   52,552.31x = 2,080,017,715.13
5. Step 5: Solve for x
   x = 2,080,017,715.13/52,552.31
6. Step 6: Final answer
   x = 39,579.95