Finding the Fourth Proportional to 65,108.16, 89,838.56 and 36,810

Step by Step Solution

1. Step 1: Write the proportion equation
   65,108.16 : 89,838.56 = 36,810 : x
2. Step 2: Convert to fraction form
   65,108.16/89,838.56 = 36,810/x
3. Step 3: Cross multiply
   65,108.16x = 89,838.56 × 36,810
4. Step 4: Simplify right side
   65,108.16x = 3,306,957,393.60
5. Step 5: Solve for x
   x = 3,306,957,393.60/65,108.16
6. Step 6: Final answer
   x = 50,791.75