Finding the Fourth Proportional to 83,127.10, 124,605.60 and 40,942.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,127.10 : 124,605.60 = 40,942.30 : x
2. Step 2: Convert to fraction form
   83,127.10/124,605.60 = 40,942.30/x
3. Step 3: Cross multiply
   83,127.10x = 124,605.60 × 40,942.30
4. Step 4: Simplify right side
   83,127.10x = 5,101,639,856.88
5. Step 5: Solve for x
   x = 5,101,639,856.88/83,127.10
6. Step 6: Final answer
   x = 61,371.56