Finding the Fourth Proportional to 64,872.98, 89,524.85 and 35,064.98

Step by Step Solution

1. Step 1: Write the proportion equation
   64,872.98 : 89,524.85 = 35,064.98 : x
2. Step 2: Convert to fraction form
   64,872.98/89,524.85 = 35,064.98/x
3. Step 3: Cross multiply
   64,872.98x = 89,524.85 × 35,064.98
4. Step 4: Simplify right side
   64,872.98x = 3,139,187,074.75
5. Step 5: Solve for x
   x = 3,139,187,074.75/64,872.98
6. Step 6: Final answer
   x = 48,389.75