Finding the Fourth Proportional to 64,965.56, 89,738.52 and 52,266.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,965.56 : 89,738.52 = 52,266.56 : x
2. Step 2: Convert to fraction form
   64,965.56/89,738.52 = 52,266.56/x
3. Step 3: Cross multiply
   64,965.56x = 89,738.52 × 52,266.56
4. Step 4: Simplify right side
   64,965.56x = 4,690,323,739.89
5. Step 5: Solve for x
   x = 4,690,323,739.89/64,965.56
6. Step 6: Final answer
   x = 72,197.08