Finding the Fourth Proportional to 123,930.18, 171,019.08 and 67,340.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,930.18 : 171,019.08 = 67,340.34 : x
2. Step 2: Convert to fraction form
   123,930.18/171,019.08 = 67,340.34/x
3. Step 3: Cross multiply
   123,930.18x = 171,019.08 × 67,340.34
4. Step 4: Simplify right side
   123,930.18x = 11,516,482,993.69
5. Step 5: Solve for x
   x = 11,516,482,993.69/123,930.18
6. Step 6: Final answer
   x = 92,927.19