Finding the Fourth Proportional to 83,205.10, 124,722.60 and 41,020.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,205.10 : 124,722.60 = 41,020.30 : x
2. Step 2: Convert to fraction form
   83,205.10/124,722.60 = 41,020.30/x
3. Step 3: Cross multiply
   83,205.10x = 124,722.60 × 41,020.30
4. Step 4: Simplify right side
   83,205.10x = 5,116,158,468.78
5. Step 5: Solve for x
   x = 5,116,158,468.78/83,205.10
6. Step 6: Final answer
   x = 61,488.52