Finding the Fourth Proportional to 83,385.10, 124,992.60 and 41,200.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,385.10 : 124,992.60 = 41,200.30 : x
2. Step 2: Convert to fraction form
   83,385.10/124,992.60 = 41,200.30/x
3. Step 3: Cross multiply
   83,385.10x = 124,992.60 × 41,200.30
4. Step 4: Simplify right side
   83,385.10x = 5,149,732,617.78
5. Step 5: Solve for x
   x = 5,149,732,617.78/83,385.10
6. Step 6: Final answer
   x = 61,758.43