Finding the Fourth Proportional to 65,029.50, 89,740.71 and 35,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,029.50 : 89,740.71 = 35,221.50 : x
2. Step 2: Convert to fraction form
   65,029.50/89,740.71 = 35,221.50/x
3. Step 3: Cross multiply
   65,029.50x = 89,740.71 × 35,221.50
4. Step 4: Simplify right side
   65,029.50x = 3,160,802,417.27
5. Step 5: Solve for x
   x = 3,160,802,417.27/65,029.50
6. Step 6: Final answer
   x = 48,605.67