Finding the Fourth Proportional to 17,860.96, 24,648.18 and 9,903.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,860.96 : 24,648.18 = 9,903.28 : x
2. Step 2: Convert to fraction form
   17,860.96/24,648.18 = 9,903.28/x
3. Step 3: Cross multiply
   17,860.96x = 24,648.18 × 9,903.28
4. Step 4: Simplify right side
   17,860.96x = 244,097,828.03
5. Step 5: Solve for x
   x = 244,097,828.03/17,860.96
6. Step 6: Final answer
   x = 13,666.56