Finding the Fourth Proportional to 9,066.72, 13,560.36 and 8,402.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,066.72 : 13,560.36 = 8,402.52 : x
2. Step 2: Convert to fraction form
   9,066.72/13,560.36 = 8,402.52/x
3. Step 3: Cross multiply
   9,066.72x = 13,560.36 × 8,402.52
4. Step 4: Simplify right side
   9,066.72x = 113,941,196.11
5. Step 5: Solve for x
   x = 113,941,196.11/9,066.72
6. Step 6: Final answer
   x = 12,566.97