Finding the Fourth Proportional to 11,677.28, 17,517.96 and 5,103.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,677.28 : 17,517.96 = 5,103.32 : x
2. Step 2: Convert to fraction form
   11,677.28/17,517.96 = 5,103.32/x
3. Step 3: Cross multiply
   11,677.28x = 17,517.96 × 5,103.32
4. Step 4: Simplify right side
   11,677.28x = 89,399,755.63
5. Step 5: Solve for x
   x = 89,399,755.63/11,677.28
6. Step 6: Final answer
   x = 7,655.87