Finding the Fourth Proportional to 64,963.56, 89,649.72 and 35,155.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,963.56 : 89,649.72 = 35,155.56 : x
2. Step 2: Convert to fraction form
   64,963.56/89,649.72 = 35,155.56/x
3. Step 3: Cross multiply
   64,963.56x = 89,649.72 × 35,155.56
4. Step 4: Simplify right side
   64,963.56x = 3,151,686,110.44
5. Step 5: Solve for x
   x = 3,151,686,110.44/64,963.56
6. Step 6: Final answer
   x = 48,514.68