Finding the Fourth Proportional to 17,455.66, 24,084.71 and 9,900.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,455.66 : 24,084.71 = 9,900.25 : x
2. Step 2: Convert to fraction form
   17,455.66/24,084.71 = 9,900.25/x
3. Step 3: Cross multiply
   17,455.66x = 24,084.71 × 9,900.25
4. Step 4: Simplify right side
   17,455.66x = 238,444,577.59
5. Step 5: Solve for x
   x = 238,444,577.59/17,455.66
6. Step 6: Final answer
   x = 13,660.02