Finding the Fourth Proportional to 17,858.16, 24,644.43 and 9,900.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,858.16 : 24,644.43 = 9,900.51 : x
2. Step 2: Convert to fraction form
   17,858.16/24,644.43 = 9,900.51/x
3. Step 3: Cross multiply
   17,858.16x = 24,644.43 × 9,900.51
4. Step 4: Simplify right side
   17,858.16x = 243,992,425.66
5. Step 5: Solve for x
   x = 243,992,425.66/17,858.16
6. Step 6: Final answer
   x = 13,662.80