Finding the Fourth Proportional to 123,686.93, 170,687.61 and 67,098.32

Step by Step Solution

1. Step 1: Write the proportion equation
   123,686.93 : 170,687.61 = 67,098.32 : x
2. Step 2: Convert to fraction form
   123,686.93/170,687.61 = 67,098.32/x
3. Step 3: Cross multiply
   123,686.93x = 170,687.61 × 67,098.32
4. Step 4: Simplify right side
   123,686.93x = 11,452,851,875.82
5. Step 5: Solve for x
   x = 11,452,851,875.82/123,686.93
6. Step 6: Final answer
   x = 92,595.49