Finding the Fourth Proportional to 110,432.71, 152,358.33 and 72,214.63

Step by Step Solution

1. Step 1: Write the proportion equation
   110,432.71 : 152,358.33 = 72,214.63 : x
2. Step 2: Convert to fraction form
   110,432.71/152,358.33 = 72,214.63/x
3. Step 3: Cross multiply
   110,432.71x = 152,358.33 × 72,214.63
4. Step 4: Simplify right side
   110,432.71x = 11,002,500,428.37
5. Step 5: Solve for x
   x = 11,002,500,428.37/110,432.71
6. Step 6: Final answer
   x = 99,630.81