Finding the Fourth Proportional to 12,632.22, 17,431.83 and 7,042.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,632.22 : 17,431.83 = 7,042.14 : x
2. Step 2: Convert to fraction form
   12,632.22/17,431.83 = 7,042.14/x
3. Step 3: Cross multiply
   12,632.22x = 17,431.83 × 7,042.14
4. Step 4: Simplify right side
   12,632.22x = 122,757,387.32
5. Step 5: Solve for x
   x = 122,757,387.32/12,632.22
6. Step 6: Final answer
   x = 9,717.80