Finding the Fourth Proportional to 64,964.25, 89,650.71 and 35,156.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,964.25 : 89,650.71 = 35,156.25 : x
2. Step 2: Convert to fraction form
   64,964.25/89,650.71 = 35,156.25/x
3. Step 3: Cross multiply
   64,964.25x = 89,650.71 × 35,156.25
4. Step 4: Simplify right side
   64,964.25x = 3,151,782,773.44
5. Step 5: Solve for x
   x = 3,151,782,773.44/64,964.25
6. Step 6: Final answer
   x = 48,515.65