Finding the Fourth Proportional to 12,620.46, 17,414.67 and 7,315.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,620.46 : 17,414.67 = 7,315.02 : x
2. Step 2: Convert to fraction form
   12,620.46/17,414.67 = 7,315.02/x
3. Step 3: Cross multiply
   12,620.46x = 17,414.67 × 7,315.02
4. Step 4: Simplify right side
   12,620.46x = 127,388,659.34
5. Step 5: Solve for x
   x = 127,388,659.34/12,620.46
6. Step 6: Final answer
   x = 10,093.82