Finding the Fourth Proportional to 72,630.52, 108,952.86 and 28,260.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,630.52 : 108,952.86 = 28,260.88 : x
2. Step 2: Convert to fraction form
   72,630.52/108,952.86 = 28,260.88/x
3. Step 3: Cross multiply
   72,630.52x = 108,952.86 × 28,260.88
4. Step 4: Simplify right side
   72,630.52x = 3,079,103,702.12
5. Step 5: Solve for x
   x = 3,079,103,702.12/72,630.52
6. Step 6: Final answer
   x = 42,394.07