Finding the Fourth Proportional to 16,932.32, 23,363.85 and 10,129.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,932.32 : 23,363.85 = 10,129.15 : x
2. Step 2: Convert to fraction form
   16,932.32/23,363.85 = 10,129.15/x
3. Step 3: Cross multiply
   16,932.32x = 23,363.85 × 10,129.15
4. Step 4: Simplify right side
   16,932.32x = 236,656,008.42
5. Step 5: Solve for x
   x = 236,656,008.42/16,932.32
6. Step 6: Final answer
   x = 13,976.59