Finding the Fourth Proportional to 123,740.17, 170,761.43 and 67,151.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,740.17 : 170,761.43 = 67,151.54 : x
2. Step 2: Convert to fraction form
   123,740.17/170,761.43 = 67,151.54/x
3. Step 3: Cross multiply
   123,740.17x = 170,761.43 × 67,151.54
4. Step 4: Simplify right side
   123,740.17x = 11,466,892,997.10
5. Step 5: Solve for x
   x = 11,466,892,997.10/123,740.17
6. Step 6: Final answer
   x = 92,669.12