Finding the Fourth Proportional to 300,375.95, 450,493.83 and 87,086.61

Step by Step Solution

1. Step 1: Write the proportion equation
   300,375.95 : 450,493.83 = 87,086.61 : x
2. Step 2: Convert to fraction form
   300,375.95/450,493.83 = 87,086.61/x
3. Step 3: Cross multiply
   300,375.95x = 450,493.83 × 87,086.61
4. Step 4: Simplify right side
   300,375.95x = 39,231,982,319.90
5. Step 5: Solve for x
   x = 39,231,982,319.90/300,375.95
6. Step 6: Final answer
   x = 130,609.60