Finding the Fourth Proportional to 123,997.68, 171,117 and 67,409.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,997.68 : 171,117 = 67,409.10 : x
2. Step 2: Convert to fraction form
   123,997.68/171,117 = 67,409.10/x
3. Step 3: Cross multiply
   123,997.68x = 171,117 × 67,409.10
4. Step 4: Simplify right side
   123,997.68x = 11,534,842,964.70
5. Step 5: Solve for x
   x = 11,534,842,964.70/123,997.68
6. Step 6: Final answer
   x = 93,024.67