Finding the Fourth Proportional to 12,434.38, 17,146.29 and 9,602.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,434.38 : 17,146.29 = 9,602.22 : x
2. Step 2: Convert to fraction form
   12,434.38/17,146.29 = 9,602.22/x
3. Step 3: Cross multiply
   12,434.38x = 17,146.29 × 9,602.22
4. Step 4: Simplify right side
   12,434.38x = 164,642,420.47
5. Step 5: Solve for x
   x = 164,642,420.47/12,434.38
6. Step 6: Final answer
   x = 13,240.90