Finding the Fourth Proportional to 123,686.52, 170,687.32 and 67,097.90

Step by Step Solution

1. Step 1: Write the proportion equation
   123,686.52 : 170,687.32 = 67,097.90 : x
2. Step 2: Convert to fraction form
   123,686.52/170,687.32 = 67,097.90/x
3. Step 3: Cross multiply
   123,686.52x = 170,687.32 × 67,097.90
4. Step 4: Simplify right side
   123,686.52x = 11,452,760,728.63
5. Step 5: Solve for x
   x = 11,452,760,728.63/123,686.52
6. Step 6: Final answer
   x = 92,595.06