Finding the Fourth Proportional to 17,456.16, 24,085.53 and 9,900.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,456.16 : 24,085.53 = 9,900.69 : x
2. Step 2: Convert to fraction form
   17,456.16/24,085.53 = 9,900.69/x
3. Step 3: Cross multiply
   17,456.16x = 24,085.53 × 9,900.69
4. Step 4: Simplify right side
   17,456.16x = 238,463,366.02
5. Step 5: Solve for x
   x = 238,463,366.02/17,456.16
6. Step 6: Final answer
   x = 13,660.70