Finding the Fourth Proportional to 65,015.82, 89,757.54 and 40,842

Step by Step Solution

1. Step 1: Write the proportion equation
   65,015.82 : 89,757.54 = 40,842 : x
2. Step 2: Convert to fraction form
   65,015.82/89,757.54 = 40,842/x
3. Step 3: Cross multiply
   65,015.82x = 89,757.54 × 40,842
4. Step 4: Simplify right side
   65,015.82x = 3,665,877,448.68
5. Step 5: Solve for x
   x = 3,665,877,448.68/65,015.82
6. Step 6: Final answer
   x = 56,384.39