Finding the Fourth Proportional to 123,686.50, 170,687.46 and 67,098.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,686.50 : 170,687.46 = 67,098.10 : x
2. Step 2: Convert to fraction form
   123,686.50/170,687.46 = 67,098.10/x
3. Step 3: Cross multiply
   123,686.50x = 170,687.46 × 67,098.10
4. Step 4: Simplify right side
   123,686.50x = 11,452,804,259.83
5. Step 5: Solve for x
   x = 11,452,804,259.83/123,686.50
6. Step 6: Final answer
   x = 92,595.43