Finding the Fourth Proportional to 65,112.24, 89,838.68 and 37,892.80

Step by Step Solution

1. Step 1: Write the proportion equation
   65,112.24 : 89,838.68 = 37,892.80 : x
2. Step 2: Convert to fraction form
   65,112.24/89,838.68 = 37,892.80/x
3. Step 3: Cross multiply
   65,112.24x = 89,838.68 × 37,892.80
4. Step 4: Simplify right side
   65,112.24x = 3,404,239,133.50
5. Step 5: Solve for x
   x = 3,404,239,133.50/65,112.24
6. Step 6: Final answer
   x = 52,282.63