Finding the Fourth Proportional to 65,080.50, 89,811.18 and 35,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,080.50 : 89,811.18 = 35,272.50 : x
2. Step 2: Convert to fraction form
   65,080.50/89,811.18 = 35,272.50/x
3. Step 3: Cross multiply
   65,080.50x = 89,811.18 × 35,272.50
4. Step 4: Simplify right side
   65,080.50x = 3,167,864,846.55
5. Step 5: Solve for x
   x = 3,167,864,846.55/65,080.50
6. Step 6: Final answer
   x = 48,676.10