Finding the Fourth Proportional to 65,089.50, 89,823.52 and 35,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,089.50 : 89,823.52 = 35,281.50 : x
2. Step 2: Convert to fraction form
   65,089.50/89,823.52 = 35,281.50/x
3. Step 3: Cross multiply
   65,089.50x = 89,823.52 × 35,281.50
4. Step 4: Simplify right side
   65,089.50x = 3,169,108,520.88
5. Step 5: Solve for x
   x = 3,169,108,520.88/65,089.50
6. Step 6: Final answer
   x = 48,688.48