Finding the Fourth Proportional to 12,613, 17,405.94 and 7,025.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,613 : 17,405.94 = 7,025.32 : x
2. Step 2: Convert to fraction form
   12,613/17,405.94 = 7,025.32/x
3. Step 3: Cross multiply
   12,613x = 17,405.94 × 7,025.32
4. Step 4: Simplify right side
   12,613x = 122,282,298.40
5. Step 5: Solve for x
   x = 122,282,298.40/12,613
6. Step 6: Final answer
   x = 9,694.94