Finding the Fourth Proportional to 12,425.02, 17,146.98 and 7,120.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,425.02 : 17,146.98 = 7,120.86 : x
2. Step 2: Convert to fraction form
   12,425.02/17,146.98 = 7,120.86/x
3. Step 3: Cross multiply
   12,425.02x = 17,146.98 × 7,120.86
4. Step 4: Simplify right side
   12,425.02x = 122,101,244.00
5. Step 5: Solve for x
   x = 122,101,244.00/12,425.02
6. Step 6: Final answer
   x = 9,827.05