Finding the Fourth Proportional to 59,589.42, 89,383.05 and 50,289.18

Step by Step Solution

1. Step 1: Write the proportion equation
   59,589.42 : 89,383.05 = 50,289.18 : x
2. Step 2: Convert to fraction form
   59,589.42/89,383.05 = 50,289.18/x
3. Step 3: Cross multiply
   59,589.42x = 89,383.05 × 50,289.18
4. Step 4: Simplify right side
   59,589.42x = 4,495,000,290.40
5. Step 5: Solve for x
   x = 4,495,000,290.40/59,589.42
6. Step 6: Final answer
   x = 75,432.86