Finding the Fourth Proportional to 86,039.98, 129,059.46 and 33,449.46

Step by Step Solution

1. Step 1: Write the proportion equation
   86,039.98 : 129,059.46 = 33,449.46 : x
2. Step 2: Convert to fraction form
   86,039.98/129,059.46 = 33,449.46/x
3. Step 3: Cross multiply
   86,039.98x = 129,059.46 × 33,449.46
4. Step 4: Simplify right side
   86,039.98x = 4,316,969,755.78
5. Step 5: Solve for x
   x = 4,316,969,755.78/86,039.98
6. Step 6: Final answer
   x = 50,174.00