Finding the Fourth Proportional to 12,655.88, 17,465.46 and 7,066.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,655.88 : 17,465.46 = 7,066.76 : x
2. Step 2: Convert to fraction form
   12,655.88/17,465.46 = 7,066.76/x
3. Step 3: Cross multiply
   12,655.88x = 17,465.46 × 7,066.76
4. Step 4: Simplify right side
   12,655.88x = 123,424,214.11
5. Step 5: Solve for x
   x = 123,424,214.11/12,655.88
6. Step 6: Final answer
   x = 9,752.32