Finding the Fourth Proportional to 17,858.25, 24,644.98 and 9,900.00

Step by Step Solution

1. Step 1: Write the proportion equation
   17,858.25 : 24,644.98 = 9,900.00 : x
2. Step 2: Convert to fraction form
   17,858.25/24,644.98 = 9,900.00/x
3. Step 3: Cross multiply
   17,858.25x = 24,644.98 × 9,900.00
4. Step 4: Simplify right side
   17,858.25x = 243,985,154.03
5. Step 5: Solve for x
   x = 243,985,154.03/17,858.25
6. Step 6: Final answer
   x = 13,662.33