Finding the Fourth Proportional to 123,734.32, 170,753.47 and 67,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,734.32 : 170,753.47 = 67,145.69 : x
2. Step 2: Convert to fraction form
   123,734.32/170,753.47 = 67,145.69/x
3. Step 3: Cross multiply
   123,734.32x = 170,753.47 × 67,145.69
4. Step 4: Simplify right side
   123,734.32x = 11,465,359,822.06
5. Step 5: Solve for x
   x = 11,465,359,822.06/123,734.32
6. Step 6: Final answer
   x = 92,661.11