Finding the Fourth Proportional to 123,931.36, 171,025.76 and 67,342.96

Step by Step Solution

1. Step 1: Write the proportion equation
   123,931.36 : 171,025.76 = 67,342.96 : x
2. Step 2: Convert to fraction form
   123,931.36/171,025.76 = 67,342.96/x
3. Step 3: Cross multiply
   123,931.36x = 171,025.76 × 67,342.96
4. Step 4: Simplify right side
   123,931.36x = 11,517,380,914.65
5. Step 5: Solve for x
   x = 11,517,380,914.65/123,931.36
6. Step 6: Final answer
   x = 92,933.55