Finding the Fourth Proportional to 17,889.80, 24,688.56 and 9,932.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,889.80 : 24,688.56 = 9,932.15 : x
2. Step 2: Convert to fraction form
   17,889.80/24,688.56 = 9,932.15/x
3. Step 3: Cross multiply
   17,889.80x = 24,688.56 × 9,932.15
4. Step 4: Simplify right side
   17,889.80x = 245,210,481.20
5. Step 5: Solve for x
   x = 245,210,481.20/17,889.80
6. Step 6: Final answer
   x = 13,706.72