Finding the Fourth Proportional to 12,655.18, 17,464.16 and 7,066.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,655.18 : 17,464.16 = 7,066.18 : x
2. Step 2: Convert to fraction form
   12,655.18/17,464.16 = 7,066.18/x
3. Step 3: Cross multiply
   12,655.18x = 17,464.16 × 7,066.18
4. Step 4: Simplify right side
   12,655.18x = 123,404,898.11
5. Step 5: Solve for x
   x = 123,404,898.11/12,655.18
6. Step 6: Final answer
   x = 9,751.33