Finding the Fourth Proportional to 31,269.72, 43,152.28 and 16,929.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,269.72 : 43,152.28 = 16,929.70 : x
2. Step 2: Convert to fraction form
   31,269.72/43,152.28 = 16,929.70/x
3. Step 3: Cross multiply
   31,269.72x = 43,152.28 × 16,929.70
4. Step 4: Simplify right side
   31,269.72x = 730,555,154.72
5. Step 5: Solve for x
   x = 730,555,154.72/31,269.72
6. Step 6: Final answer
   x = 23,363.02