Finding the Fourth Proportional to 87,580.53, 120,854.25 and 49,338

Step by Step Solution

1. Step 1: Write the proportion equation
   87,580.53 : 120,854.25 = 49,338 : x
2. Step 2: Convert to fraction form
   87,580.53/120,854.25 = 49,338/x
3. Step 3: Cross multiply
   87,580.53x = 120,854.25 × 49,338
4. Step 4: Simplify right side
   87,580.53x = 5,962,706,986.50
5. Step 5: Solve for x
   x = 5,962,706,986.50/87,580.53
6. Step 6: Final answer
   x = 68,082.56