Finding the Fourth Proportional to 123,560.96, 185,669.16 and 67,442

Step by Step Solution

1. Step 1: Write the proportion equation
   123,560.96 : 185,669.16 = 67,442 : x
2. Step 2: Convert to fraction form
   123,560.96/185,669.16 = 67,442/x
3. Step 3: Cross multiply
   123,560.96x = 185,669.16 × 67,442
4. Step 4: Simplify right side
   123,560.96x = 12,521,899,488.72
5. Step 5: Solve for x
   x = 12,521,899,488.72/123,560.96
6. Step 6: Final answer
   x = 101,341.88