Finding the Fourth Proportional to 52,452.89, 72,385.82 and 28,579.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,452.89 : 72,385.82 = 28,579.56 : x
2. Step 2: Convert to fraction form
   52,452.89/72,385.82 = 28,579.56/x
3. Step 3: Cross multiply
   52,452.89x = 72,385.82 × 28,579.56
4. Step 4: Simplify right side
   52,452.89x = 2,068,754,885.84
5. Step 5: Solve for x
   x = 2,068,754,885.84/52,452.89
6. Step 6: Final answer
   x = 39,440.25