Finding the Fourth Proportional to 86,377.59, 129,582.72 and 33,783.75

Step by Step Solution

1. Step 1: Write the proportion equation
   86,377.59 : 129,582.72 = 33,783.75 : x
2. Step 2: Convert to fraction form
   86,377.59/129,582.72 = 33,783.75/x
3. Step 3: Cross multiply
   86,377.59x = 129,582.72 × 33,783.75
4. Step 4: Simplify right side
   86,377.59x = 4,377,790,216.80
5. Step 5: Solve for x
   x = 4,377,790,216.80/86,377.59
6. Step 6: Final answer
   x = 50,682.01