Finding the Fourth Proportional to 17,860.83, 24,646.05 and 9,900.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,860.83 : 24,646.05 = 9,900.96 : x
2. Step 2: Convert to fraction form
   17,860.83/24,646.05 = 9,900.96/x
3. Step 3: Cross multiply
   17,860.83x = 24,646.05 × 9,900.96
4. Step 4: Simplify right side
   17,860.83x = 244,019,555.21
5. Step 5: Solve for x
   x = 244,019,555.21/17,860.83
6. Step 6: Final answer
   x = 13,662.27