Finding the Fourth Proportional to 124,372.56, 171,661.82 and 79,041.70

Step by Step Solution

1. Step 1: Write the proportion equation
   124,372.56 : 171,661.82 = 79,041.70 : x
2. Step 2: Convert to fraction form
   124,372.56/171,661.82 = 79,041.70/x
3. Step 3: Cross multiply
   124,372.56x = 171,661.82 × 79,041.70
4. Step 4: Simplify right side
   124,372.56x = 13,568,442,077.89
5. Step 5: Solve for x
   x = 13,568,442,077.89/124,372.56
6. Step 6: Final answer
   x = 109,095.14