Finding the Fourth Proportional to 17,858.58, 24,644.30 and 9,900.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,858.58 : 24,644.30 = 9,900.34 : x
2. Step 2: Convert to fraction form
   17,858.58/24,644.30 = 9,900.34/x
3. Step 3: Cross multiply
   17,858.58x = 24,644.30 × 9,900.34
4. Step 4: Simplify right side
   17,858.58x = 243,986,949.06
5. Step 5: Solve for x
   x = 243,986,949.06/17,858.58
6. Step 6: Final answer
   x = 13,662.17