Finding the Fourth Proportional to 12,368.72, 17,066.36 and 7,065.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,368.72 : 17,066.36 = 7,065.24 : x
2. Step 2: Convert to fraction form
   12,368.72/17,066.36 = 7,065.24/x
3. Step 3: Cross multiply
   12,368.72x = 17,066.36 × 7,065.24
4. Step 4: Simplify right side
   12,368.72x = 120,577,929.33
5. Step 5: Solve for x
   x = 120,577,929.33/12,368.72
6. Step 6: Final answer
   x = 9,748.62