Finding the Fourth Proportional to 123,713.18, 170,719.61 and 67,123.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,713.18 : 170,719.61 = 67,123.34 : x
2. Step 2: Convert to fraction form
   123,713.18/170,719.61 = 67,123.34/x
3. Step 3: Cross multiply
   123,713.18x = 170,719.61 × 67,123.34
4. Step 4: Simplify right side
   123,713.18x = 11,459,270,426.70
5. Step 5: Solve for x
   x = 11,459,270,426.70/123,713.18
6. Step 6: Final answer
   x = 92,627.73