Finding the Fourth Proportional to 52,661.03, 72,672.24 and 28,787.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,661.03 : 72,672.24 = 28,787.69 : x
2. Step 2: Convert to fraction form
   52,661.03/72,672.24 = 28,787.69/x
3. Step 3: Cross multiply
   52,661.03x = 72,672.24 × 28,787.69
4. Step 4: Simplify right side
   52,661.03x = 2,092,065,916.73
5. Step 5: Solve for x
   x = 2,092,065,916.73/52,661.03
6. Step 6: Final answer
   x = 39,727.02