Finding the Fourth Proportional to 65,031.50, 89,743.47 and 35,223.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,031.50 : 89,743.47 = 35,223.50 : x
2. Step 2: Convert to fraction form
   65,031.50/89,743.47 = 35,223.50/x
3. Step 3: Cross multiply
   65,031.50x = 89,743.47 × 35,223.50
4. Step 4: Simplify right side
   65,031.50x = 3,161,079,115.55
5. Step 5: Solve for x
   x = 3,161,079,115.55/65,031.50
6. Step 6: Final answer
   x = 48,608.43