Finding the Fourth Proportional to 83,443.69, 124,421.23 and 74,170.81

Step by Step Solution

1. Step 1: Write the proportion equation
   83,443.69 : 124,421.23 = 74,170.81 : x
2. Step 2: Convert to fraction form
   83,443.69/124,421.23 = 74,170.81/x
3. Step 3: Cross multiply
   83,443.69x = 124,421.23 × 74,170.81
4. Step 4: Simplify right side
   83,443.69x = 9,228,423,410.30
5. Step 5: Solve for x
   x = 9,228,423,410.30/83,443.69
6. Step 6: Final answer
   x = 110,594.62