Finding the Fourth Proportional to 123,916.55, 171,003.69 and 67,327.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,916.55 : 171,003.69 = 67,327.92 : x
2. Step 2: Convert to fraction form
   123,916.55/171,003.69 = 67,327.92/x
3. Step 3: Cross multiply
   123,916.55x = 171,003.69 × 67,327.92
4. Step 4: Simplify right side
   123,916.55x = 11,513,322,760.02
5. Step 5: Solve for x
   x = 11,513,322,760.02/123,916.55
6. Step 6: Final answer
   x = 92,911.91