Finding the Fourth Proportional to 72,682.96, 109,070.52 and 39,425.68

Step by Step Solution

1. Step 1: Write the proportion equation
   72,682.96 : 109,070.52 = 39,425.68 : x
2. Step 2: Convert to fraction form
   72,682.96/109,070.52 = 39,425.68/x
3. Step 3: Cross multiply
   72,682.96x = 109,070.52 × 39,425.68
4. Step 4: Simplify right side
   72,682.96x = 4,300,179,418.95
5. Step 5: Solve for x
   x = 4,300,179,418.95/72,682.96
6. Step 6: Final answer
   x = 59,163.52