Finding the Fourth Proportional to 64,752.50, 89,360.89 and 35,682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,752.50 : 89,360.89 = 35,682.10 : x
2. Step 2: Convert to fraction form
   64,752.50/89,360.89 = 35,682.10/x
3. Step 3: Cross multiply
   64,752.50x = 89,360.89 × 35,682.10
4. Step 4: Simplify right side
   64,752.50x = 3,188,583,900.46
5. Step 5: Solve for x
   x = 3,188,583,900.46/64,752.50
6. Step 6: Final answer
   x = 49,242.64