Finding the Fourth Proportional to 65,153.36, 89,832.84 and 55,064

Step by Step Solution

1. Step 1: Write the proportion equation
   65,153.36 : 89,832.84 = 55,064 : x
2. Step 2: Convert to fraction form
   65,153.36/89,832.84 = 55,064/x
3. Step 3: Cross multiply
   65,153.36x = 89,832.84 × 55,064
4. Step 4: Simplify right side
   65,153.36x = 4,946,555,501.76
5. Step 5: Solve for x
   x = 4,946,555,501.76/65,153.36
6. Step 6: Final answer
   x = 75,921.73