Finding the Fourth Proportional to 83,115.72, 124,598.25 and 33,185.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,115.72 : 124,598.25 = 33,185.30 : x
2. Step 2: Convert to fraction form
   83,115.72/124,598.25 = 33,185.30/x
3. Step 3: Cross multiply
   83,115.72x = 124,598.25 × 33,185.30
4. Step 4: Simplify right side
   83,115.72x = 4,134,829,682.73
5. Step 5: Solve for x
   x = 4,134,829,682.73/83,115.72
6. Step 6: Final answer
   x = 49,747.87