Finding the Fourth Proportional to 65,542.72, 90,450.24 and 35,734.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,542.72 : 90,450.24 = 35,734.72 : x
2. Step 2: Convert to fraction form
   65,542.72/90,450.24 = 35,734.72/x
3. Step 3: Cross multiply
   65,542.72x = 90,450.24 × 35,734.72
4. Step 4: Simplify right side
   65,542.72x = 3,232,214,000.33
5. Step 5: Solve for x
   x = 3,232,214,000.33/65,542.72
6. Step 6: Final answer
   x = 49,314.61