Finding the Fourth Proportional to 65,175.50, 89,942.19 and 35,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,175.50 : 89,942.19 = 35,367.50 : x
2. Step 2: Convert to fraction form
   65,175.50/89,942.19 = 35,367.50/x
3. Step 3: Cross multiply
   65,175.50x = 89,942.19 × 35,367.50
4. Step 4: Simplify right side
   65,175.50x = 3,181,030,404.83
5. Step 5: Solve for x
   x = 3,181,030,404.83/65,175.50
6. Step 6: Final answer
   x = 48,807.15