Finding the Fourth Proportional to 123,931.18, 171,020.46 and 67,341.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,931.18 : 171,020.46 = 67,341.34 : x
2. Step 2: Convert to fraction form
   123,931.18/171,020.46 = 67,341.34/x
3. Step 3: Cross multiply
   123,931.18x = 171,020.46 × 67,341.34
4. Step 4: Simplify right side
   123,931.18x = 11,516,746,943.82
5. Step 5: Solve for x
   x = 11,516,746,943.82/123,931.18
6. Step 6: Final answer
   x = 92,928.57