Finding the Fourth Proportional to 123,938.48, 171,035.34 and 67,349.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,938.48 : 171,035.34 = 67,349.72 : x
2. Step 2: Convert to fraction form
   123,938.48/171,035.34 = 67,349.72/x
3. Step 3: Cross multiply
   123,938.48x = 171,035.34 × 67,349.72
4. Step 4: Simplify right side
   123,938.48x = 11,519,182,259.10
5. Step 5: Solve for x
   x = 11,519,182,259.10/123,938.48
6. Step 6: Final answer
   x = 92,942.74