Finding the Fourth Proportional to 17,858.48, 24,644.66 and 9,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,858.48 : 24,644.66 = 9,900.50 : x
2. Step 2: Convert to fraction form
   17,858.48/24,644.66 = 9,900.50/x
3. Step 3: Cross multiply
   17,858.48x = 24,644.66 × 9,900.50
4. Step 4: Simplify right side
   17,858.48x = 243,994,283.60
5. Step 5: Solve for x
   x = 243,994,283.60/17,858.48
6. Step 6: Final answer
   x = 13,662.66