Finding the Fourth Proportional to 12,366.42, 17,065.80 and 7,064.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,366.42 : 17,065.80 = 7,064.16 : x
2. Step 2: Convert to fraction form
   12,366.42/17,065.80 = 7,064.16/x
3. Step 3: Cross multiply
   12,366.42x = 17,065.80 × 7,064.16
4. Step 4: Simplify right side
   12,366.42x = 120,555,541.73
5. Step 5: Solve for x
   x = 120,555,541.73/12,366.42
6. Step 6: Final answer
   x = 9,748.62