Finding the Fourth Proportional to 65,030.50, 89,742.09 and 35,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,030.50 : 89,742.09 = 35,222.50 : x
2. Step 2: Convert to fraction form
   65,030.50/89,742.09 = 35,222.50/x
3. Step 3: Cross multiply
   65,030.50x = 89,742.09 × 35,222.50
4. Step 4: Simplify right side
   65,030.50x = 3,160,940,765.03
5. Step 5: Solve for x
   x = 3,160,940,765.03/65,030.50
6. Step 6: Final answer
   x = 48,607.05