Finding the Fourth Proportional to 124,002.24, 171,139.68 and 79,419.84

Step by Step Solution

1. Step 1: Write the proportion equation
   124,002.24 : 171,139.68 = 79,419.84 : x
2. Step 2: Convert to fraction form
   124,002.24/171,139.68 = 79,419.84/x
3. Step 3: Cross multiply
   124,002.24x = 171,139.68 × 79,419.84
4. Step 4: Simplify right side
   124,002.24x = 13,591,886,003.25
5. Step 5: Solve for x
   x = 13,591,886,003.25/124,002.24
6. Step 6: Final answer
   x = 109,610.00