Finding the Fourth Proportional to 52,447.31, 72,377.29 and 28,573.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,447.31 : 72,377.29 = 28,573.98 : x
2. Step 2: Convert to fraction form
   52,447.31/72,377.29 = 28,573.98/x
3. Step 3: Cross multiply
   52,447.31x = 72,377.29 × 28,573.98
4. Step 4: Simplify right side
   52,447.31x = 2,068,107,334.52
5. Step 5: Solve for x
   x = 2,068,107,334.52/52,447.31
6. Step 6: Final answer
   x = 39,432.10