Finding the Fourth Proportional to 72,725.42, 109,119.72 and 39,468.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,725.42 : 109,119.72 = 39,468.98 : x
2. Step 2: Convert to fraction form
   72,725.42/109,119.72 = 39,468.98/x
3. Step 3: Cross multiply
   72,725.42x = 109,119.72 × 39,468.98
4. Step 4: Simplify right side
   72,725.42x = 4,306,844,046.29
5. Step 5: Solve for x
   x = 4,306,844,046.29/72,725.42
6. Step 6: Final answer
   x = 59,220.61