Finding the Fourth Proportional to 12,375.08, 17,078.55 and 7,070.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,375.08 : 17,078.55 = 7,070.12 : x
2. Step 2: Convert to fraction form
   12,375.08/17,078.55 = 7,070.12/x
3. Step 3: Cross multiply
   12,375.08x = 17,078.55 × 7,070.12
4. Step 4: Simplify right side
   12,375.08x = 120,747,397.93
5. Step 5: Solve for x
   x = 120,747,397.93/12,375.08
6. Step 6: Final answer
   x = 9,757.30