Finding the Fourth Proportional to 123,993.48, 171,111.24 and 67,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,993.48 : 171,111.24 = 67,404.72 : x
2. Step 2: Convert to fraction form
   123,993.48/171,111.24 = 67,404.72/x
3. Step 3: Cross multiply
   123,993.48x = 171,111.24 × 67,404.72
4. Step 4: Simplify right side
   123,993.48x = 11,533,705,221.05
5. Step 5: Solve for x
   x = 11,533,705,221.05/123,993.48
6. Step 6: Final answer
   x = 93,018.64