Finding the Fourth Proportional to 12,808.68, 17,677.56 and 7,505.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,808.68 : 17,677.56 = 7,505.52 : x
2. Step 2: Convert to fraction form
   12,808.68/17,677.56 = 7,505.52/x
3. Step 3: Cross multiply
   12,808.68x = 17,677.56 × 7,505.52
4. Step 4: Simplify right side
   12,808.68x = 132,679,280.13
5. Step 5: Solve for x
   x = 132,679,280.13/12,808.68
6. Step 6: Final answer
   x = 10,358.54