Finding the Fourth Proportional to 65,188.48, 89,960.16 and 35,380.48

Step by Step Solution

1. Step 1: Write the proportion equation
   65,188.48 : 89,960.16 = 35,380.48 : x
2. Step 2: Convert to fraction form
   65,188.48/89,960.16 = 35,380.48/x
3. Step 3: Cross multiply
   65,188.48x = 89,960.16 × 35,380.48
4. Step 4: Simplify right side
   65,188.48x = 3,182,833,641.68
5. Step 5: Solve for x
   x = 3,182,833,641.68/65,188.48
6. Step 6: Final answer
   x = 48,825.09