Finding the Fourth Proportional to 87,085.50, 120,179.39 and 48,853.58

Step by Step Solution

1. Step 1: Write the proportion equation
   87,085.50 : 120,179.39 = 48,853.58 : x
2. Step 2: Convert to fraction form
   87,085.50/120,179.39 = 48,853.58/x
3. Step 3: Cross multiply
   87,085.50x = 120,179.39 × 48,853.58
4. Step 4: Simplify right side
   87,085.50x = 5,871,192,598.55
5. Step 5: Solve for x
   x = 5,871,192,598.55/87,085.50
6. Step 6: Final answer
   x = 67,418.72