Finding the Fourth Proportional to 52,746.52, 72,789.42 and 28,872.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,746.52 : 72,789.42 = 28,872.58 : x
2. Step 2: Convert to fraction form
   52,746.52/72,789.42 = 28,872.58/x
3. Step 3: Cross multiply
   52,746.52x = 72,789.42 × 28,872.58
4. Step 4: Simplify right side
   52,746.52x = 2,101,618,352.10
5. Step 5: Solve for x
   x = 2,101,618,352.10/52,746.52
6. Step 6: Final answer
   x = 39,843.73