Finding the Fourth Proportional to 52,359.86, 72,258.14 and 28,488.07

Step by Step Solution

1. Step 1: Write the proportion equation
   52,359.86 : 72,258.14 = 28,488.07 : x
2. Step 2: Convert to fraction form
   52,359.86/72,258.14 = 28,488.07/x
3. Step 3: Cross multiply
   52,359.86x = 72,258.14 × 28,488.07
4. Step 4: Simplify right side
   52,359.86x = 2,058,494,686.91
5. Step 5: Solve for x
   x = 2,058,494,686.91/52,359.86
6. Step 6: Final answer
   x = 39,314.37