Finding the Fourth Proportional to 12,387.12, 17,094.52 and 7,082.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,387.12 : 17,094.52 = 7,082.43 : x
2. Step 2: Convert to fraction form
   12,387.12/17,094.52 = 7,082.43/x
3. Step 3: Cross multiply
   12,387.12x = 17,094.52 × 7,082.43
4. Step 4: Simplify right side
   12,387.12x = 121,070,741.28
5. Step 5: Solve for x
   x = 121,070,741.28/12,387.12
6. Step 6: Final answer
   x = 9,773.92