Finding the Fourth Proportional to 124,496.10, 171,804.78 and 67,908.42

Step by Step Solution

1. Step 1: Write the proportion equation
   124,496.10 : 171,804.78 = 67,908.42 : x
2. Step 2: Convert to fraction form
   124,496.10/171,804.78 = 67,908.42/x
3. Step 3: Cross multiply
   124,496.10x = 171,804.78 × 67,908.42
4. Step 4: Simplify right side
   124,496.10x = 11,666,991,158.25
5. Step 5: Solve for x
   x = 11,666,991,158.25/124,496.10
6. Step 6: Final answer
   x = 93,713.71