Finding the Fourth Proportional to 52,454.16, 72,386.34 and 28,580.76

Step by Step Solution

1. Step 1: Write the proportion equation
   52,454.16 : 72,386.34 = 28,580.76 : x
2. Step 2: Convert to fraction form
   52,454.16/72,386.34 = 28,580.76/x
3. Step 3: Cross multiply
   52,454.16x = 72,386.34 × 28,580.76
4. Step 4: Simplify right side
   52,454.16x = 2,068,856,610.82
5. Step 5: Solve for x
   x = 2,068,856,610.82/52,454.16
6. Step 6: Final answer
   x = 39,441.23