Finding the Fourth Proportional to 83,066.10, 124,514.10 and 40,881.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,066.10 : 124,514.10 = 40,881.30 : x
2. Step 2: Convert to fraction form
   83,066.10/124,514.10 = 40,881.30/x
3. Step 3: Cross multiply
   83,066.10x = 124,514.10 × 40,881.30
4. Step 4: Simplify right side
   83,066.10x = 5,090,298,276.33
5. Step 5: Solve for x
   x = 5,090,298,276.33/83,066.10
6. Step 6: Final answer
   x = 61,280.09