Finding the Fourth Proportional to 17,872.54, 24,667.08 and 9,917.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,872.54 : 24,667.08 = 9,917.34 : x
2. Step 2: Convert to fraction form
   17,872.54/24,667.08 = 9,917.34/x
3. Step 3: Cross multiply
   17,872.54x = 24,667.08 × 9,917.34
4. Step 4: Simplify right side
   17,872.54x = 244,631,819.17
5. Step 5: Solve for x
   x = 244,631,819.17/17,872.54
6. Step 6: Final answer
   x = 13,687.58