Finding the Fourth Proportional to 123,931.74, 171,026.25 and 67,343.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,931.74 : 171,026.25 = 67,343.10 : x
2. Step 2: Convert to fraction form
   123,931.74/171,026.25 = 67,343.10/x
3. Step 3: Cross multiply
   123,931.74x = 171,026.25 × 67,343.10
4. Step 4: Simplify right side
   123,931.74x = 11,517,437,856.38
5. Step 5: Solve for x
   x = 11,517,437,856.38/123,931.74
6. Step 6: Final answer
   x = 92,933.72