Finding the Fourth Proportional to 52,258.10, 72,115.89 and 28,384.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,258.10 : 72,115.89 = 28,384.58 : x
2. Step 2: Convert to fraction form
   52,258.10/72,115.89 = 28,384.58/x
3. Step 3: Cross multiply
   52,258.10x = 72,115.89 × 28,384.58
4. Step 4: Simplify right side
   52,258.10x = 2,046,979,248.98
5. Step 5: Solve for x
   x = 2,046,979,248.98/52,258.10
6. Step 6: Final answer
   x = 39,170.56