Finding the Fourth Proportional to 64,913.82, 89,581.34 and 35,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,913.82 : 89,581.34 = 35,105.82 : x
2. Step 2: Convert to fraction form
   64,913.82/89,581.34 = 35,105.82/x
3. Step 3: Cross multiply
   64,913.82x = 89,581.34 × 35,105.82
4. Step 4: Simplify right side
   64,913.82x = 3,144,825,773.96
5. Step 5: Solve for x
   x = 3,144,825,773.96/64,913.82
6. Step 6: Final answer
   x = 48,446.17