Finding the Fourth Proportional to 123,931.67, 171,026.78 and 67,343.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,931.67 : 171,026.78 = 67,343.04 : x
2. Step 2: Convert to fraction form
   123,931.67/171,026.78 = 67,343.04/x
3. Step 3: Cross multiply
   123,931.67x = 171,026.78 × 67,343.04
4. Step 4: Simplify right side
   123,931.67x = 11,517,462,949.90
5. Step 5: Solve for x
   x = 11,517,462,949.90/123,931.67
6. Step 6: Final answer
   x = 92,933.98