Finding the Fourth Proportional to 65,056.24, 89,728.08 and 55,997

Step by Step Solution

1. Step 1: Write the proportion equation
   65,056.24 : 89,728.08 = 55,997 : x
2. Step 2: Convert to fraction form
   65,056.24/89,728.08 = 55,997/x
3. Step 3: Cross multiply
   65,056.24x = 89,728.08 × 55,997
4. Step 4: Simplify right side
   65,056.24x = 5,024,503,295.76
5. Step 5: Solve for x
   x = 5,024,503,295.76/65,056.24
6. Step 6: Final answer
   x = 77,233.23