Finding the Fourth Proportional to 59,737.91, 89,608.98 and 20,289.89

Step by Step Solution

1. Step 1: Write the proportion equation
   59,737.91 : 89,608.98 = 20,289.89 : x
2. Step 2: Convert to fraction form
   59,737.91/89,608.98 = 20,289.89/x
3. Step 3: Cross multiply
   59,737.91x = 89,608.98 × 20,289.89
4. Step 4: Simplify right side
   59,737.91x = 1,818,156,647.32
5. Step 5: Solve for x
   x = 1,818,156,647.32/59,737.91
6. Step 6: Final answer
   x = 30,435.56