Finding the Fourth Proportional to 65,171.78, 89,937 and 35,363.78

Step by Step Solution

1. Step 1: Write the proportion equation
   65,171.78 : 89,937 = 35,363.78 : x
2. Step 2: Convert to fraction form
   65,171.78/89,937 = 35,363.78/x
3. Step 3: Cross multiply
   65,171.78x = 89,937 × 35,363.78
4. Step 4: Simplify right side
   65,171.78x = 3,180,512,281.86
5. Step 5: Solve for x
   x = 3,180,512,281.86/65,171.78
6. Step 6: Final answer
   x = 48,801.99