Finding the Fourth Proportional to 17,455.90, 24,089.59 and 9,900.77

Step by Step Solution

1. Step 1: Write the proportion equation
   17,455.90 : 24,089.59 = 9,900.77 : x
2. Step 2: Convert to fraction form
   17,455.90/24,089.59 = 9,900.77/x
3. Step 3: Cross multiply
   17,455.90x = 24,089.59 × 9,900.77
4. Step 4: Simplify right side
   17,455.90x = 238,505,489.98
5. Step 5: Solve for x
   x = 238,505,489.98/17,455.90
6. Step 6: Final answer
   x = 13,663.32