Finding the Fourth Proportional to 112,624.71, 155,377.89 and 72,332.88

Step by Step Solution

1. Step 1: Write the proportion equation
   112,624.71 : 155,377.89 = 72,332.88 : x
2. Step 2: Convert to fraction form
   112,624.71/155,377.89 = 72,332.88/x
3. Step 3: Cross multiply
   112,624.71x = 155,377.89 × 72,332.88
4. Step 4: Simplify right side
   112,624.71x = 11,238,930,272.02
5. Step 5: Solve for x
   x = 11,238,930,272.02/112,624.71
6. Step 6: Final answer
   x = 99,790.98