Finding the Fourth Proportional to 52,472.61, 72,411.37 and 28,599.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,472.61 : 72,411.37 = 28,599.48 : x
2. Step 2: Convert to fraction form
   52,472.61/72,411.37 = 28,599.48/x
3. Step 3: Cross multiply
   52,472.61x = 72,411.37 × 28,599.48
4. Step 4: Simplify right side
   52,472.61x = 2,070,927,456.59
5. Step 5: Solve for x
   x = 2,070,927,456.59/52,472.61
6. Step 6: Final answer
   x = 39,466.83