Finding the Fourth Proportional to 17,677.06, 24,390.84 and 9,916.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,677.06 : 24,390.84 = 9,916.12 : x
2. Step 2: Convert to fraction form
   17,677.06/24,390.84 = 9,916.12/x
3. Step 3: Cross multiply
   17,677.06x = 24,390.84 × 9,916.12
4. Step 4: Simplify right side
   17,677.06x = 241,862,496.34
5. Step 5: Solve for x
   x = 241,862,496.34/17,677.06
6. Step 6: Final answer
   x = 13,682.28