Finding the Fourth Proportional to 72,615.08, 108,689.52 and 38,796.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,615.08 : 108,689.52 = 38,796.59 : x
2. Step 2: Convert to fraction form
   72,615.08/108,689.52 = 38,796.59/x
3. Step 3: Cross multiply
   72,615.08x = 108,689.52 × 38,796.59
4. Step 4: Simplify right side
   72,615.08x = 4,216,783,161.95
5. Step 5: Solve for x
   x = 4,216,783,161.95/72,615.08
6. Step 6: Final answer
   x = 58,070.35