Finding the Fourth Proportional to 123,109.39, 169,862.02 and 74,710.22

Step by Step Solution

1. Step 1: Write the proportion equation
   123,109.39 : 169,862.02 = 74,710.22 : x
2. Step 2: Convert to fraction form
   123,109.39/169,862.02 = 74,710.22/x
3. Step 3: Cross multiply
   123,109.39x = 169,862.02 × 74,710.22
4. Step 4: Simplify right side
   123,109.39x = 12,690,428,883.84
5. Step 5: Solve for x
   x = 12,690,428,883.84/123,109.39
6. Step 6: Final answer
   x = 103,082.54