Finding the Fourth Proportional to 64,909.25, 89,574.78 and 35,101.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,909.25 : 89,574.78 = 35,101.25 : x
2. Step 2: Convert to fraction form
   64,909.25/89,574.78 = 35,101.25/x
3. Step 3: Cross multiply
   64,909.25x = 89,574.78 × 35,101.25
4. Step 4: Simplify right side
   64,909.25x = 3,144,186,746.48
5. Step 5: Solve for x
   x = 3,144,186,746.48/64,909.25
6. Step 6: Final answer
   x = 48,439.73