Finding the Fourth Proportional to 52,453.89, 72,387.20 and 28,580.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,453.89 : 72,387.20 = 28,580.56 : x
2. Step 2: Convert to fraction form
   52,453.89/72,387.20 = 28,580.56/x
3. Step 3: Cross multiply
   52,453.89x = 72,387.20 × 28,580.56
4. Step 4: Simplify right side
   52,453.89x = 2,068,866,712.83
5. Step 5: Solve for x
   x = 2,068,866,712.83/52,453.89
6. Step 6: Final answer
   x = 39,441.63