Finding the Fourth Proportional to 12,375.30, 17,078.01 and 7,070.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,375.30 : 17,078.01 = 7,070.01 : x
2. Step 2: Convert to fraction form
   12,375.30/17,078.01 = 7,070.01/x
3. Step 3: Cross multiply
   12,375.30x = 17,078.01 × 7,070.01
4. Step 4: Simplify right side
   12,375.30x = 120,741,701.48
5. Step 5: Solve for x
   x = 120,741,701.48/12,375.30
6. Step 6: Final answer
   x = 9,756.67