Finding the Fourth Proportional to 65,056.46, 89,728.38 and 55,997.24

Step by Step Solution

1. Step 1: Write the proportion equation
   65,056.46 : 89,728.38 = 55,997.24 : x
2. Step 2: Convert to fraction form
   65,056.46/89,728.38 = 55,997.24/x
3. Step 3: Cross multiply
   65,056.46x = 89,728.38 × 55,997.24
4. Step 4: Simplify right side
   65,056.46x = 5,024,541,181.03
5. Step 5: Solve for x
   x = 5,024,541,181.03/65,056.46
6. Step 6: Final answer
   x = 77,233.55