Finding the Fourth Proportional to 65,191.92, 89,825.94 and 43,934.28

Step by Step Solution

1. Step 1: Write the proportion equation
   65,191.92 : 89,825.94 = 43,934.28 : x
2. Step 2: Convert to fraction form
   65,191.92/89,825.94 = 43,934.28/x
3. Step 3: Cross multiply
   65,191.92x = 89,825.94 × 43,934.28
4. Step 4: Simplify right side
   65,191.92x = 3,946,437,999.22
5. Step 5: Solve for x
   x = 3,946,437,999.22/65,191.92
6. Step 6: Final answer
   x = 60,535.69