Finding the Fourth Proportional to 17,886.72, 24,684.24 and 9,929.59

Step by Step Solution

1. Step 1: Write the proportion equation
   17,886.72 : 24,684.24 = 9,929.59 : x
2. Step 2: Convert to fraction form
   17,886.72/24,684.24 = 9,929.59/x
3. Step 3: Cross multiply
   17,886.72x = 24,684.24 × 9,929.59
4. Step 4: Simplify right side
   17,886.72x = 245,104,358.19
5. Step 5: Solve for x
   x = 245,104,358.19/17,886.72
6. Step 6: Final answer
   x = 13,703.14