Finding the Fourth Proportional to 64,872.50, 89,524.06 and 35,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,872.50 : 89,524.06 = 35,064.50 : x
2. Step 2: Convert to fraction form
   64,872.50/89,524.06 = 35,064.50/x
3. Step 3: Cross multiply
   64,872.50x = 89,524.06 × 35,064.50
4. Step 4: Simplify right side
   64,872.50x = 3,139,116,401.87
5. Step 5: Solve for x
   x = 3,139,116,401.87/64,872.50
6. Step 6: Final answer
   x = 48,389.02