Finding the Fourth Proportional to 64,871.28, 89,522.31 and 35,063.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,871.28 : 89,522.31 = 35,063.28 : x
2. Step 2: Convert to fraction form
   64,871.28/89,522.31 = 35,063.28/x
3. Step 3: Cross multiply
   64,871.28x = 89,522.31 × 35,063.28
4. Step 4: Simplify right side
   64,871.28x = 3,138,945,821.78
5. Step 5: Solve for x
   x = 3,138,945,821.78/64,871.28
6. Step 6: Final answer
   x = 48,387.30