Finding the Fourth Proportional to 12,442.08, 17,172.04 and 7,406.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,442.08 : 17,172.04 = 7,406.52 : x
2. Step 2: Convert to fraction form
   12,442.08/17,172.04 = 7,406.52/x
3. Step 3: Cross multiply
   12,442.08x = 17,172.04 × 7,406.52
4. Step 4: Simplify right side
   12,442.08x = 127,185,057.70
5. Step 5: Solve for x
   x = 127,185,057.70/12,442.08
6. Step 6: Final answer
   x = 10,222.17