Finding the Fourth Proportional to 86,146.28, 129,166.49 and 33,494.39

Step by Step Solution

1. Step 1: Write the proportion equation
   86,146.28 : 129,166.49 = 33,494.39 : x
2. Step 2: Convert to fraction form
   86,146.28/129,166.49 = 33,494.39/x
3. Step 3: Cross multiply
   86,146.28x = 129,166.49 × 33,494.39
4. Step 4: Simplify right side
   86,146.28x = 4,326,352,228.89
5. Step 5: Solve for x
   x = 4,326,352,228.89/86,146.28
6. Step 6: Final answer
   x = 50,221.00