Finding the Fourth Proportional to 64,497.98, 89,004.20 and 35,819.46

Step by Step Solution

1. Step 1: Write the proportion equation
   64,497.98 : 89,004.20 = 35,819.46 : x
2. Step 2: Convert to fraction form
   64,497.98/89,004.20 = 35,819.46/x
3. Step 3: Cross multiply
   64,497.98x = 89,004.20 × 35,819.46
4. Step 4: Simplify right side
   64,497.98x = 3,188,082,381.73
5. Step 5: Solve for x
   x = 3,188,082,381.73/64,497.98
6. Step 6: Final answer
   x = 49,429.18