Finding the Fourth Proportional to 123,342.80, 185,070.69 and 67,098.62

Step by Step Solution

1. Step 1: Write the proportion equation
   123,342.80 : 185,070.69 = 67,098.62 : x
2. Step 2: Convert to fraction form
   123,342.80/185,070.69 = 67,098.62/x
3. Step 3: Cross multiply
   123,342.80x = 185,070.69 × 67,098.62
4. Step 4: Simplify right side
   123,342.80x = 12,417,986,976.09
5. Step 5: Solve for x
   x = 12,417,986,976.09/123,342.80
6. Step 6: Final answer
   x = 100,678.66