Finding the Fourth Proportional to 17,864.51, 24,654.50 and 9,909.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,864.51 : 24,654.50 = 9,909.30 : x
2. Step 2: Convert to fraction form
   17,864.51/24,654.50 = 9,909.30/x
3. Step 3: Cross multiply
   17,864.51x = 24,654.50 × 9,909.30
4. Step 4: Simplify right side
   17,864.51x = 244,308,787.30
5. Step 5: Solve for x
   x = 244,308,787.30/17,864.51
6. Step 6: Final answer
   x = 13,675.65