Finding the Fourth Proportional to 64,946.25, 89,625.83 and 35,138.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,946.25 : 89,625.83 = 35,138.25 : x
2. Step 2: Convert to fraction form
   64,946.25/89,625.83 = 35,138.25/x
3. Step 3: Cross multiply
   64,946.25x = 89,625.83 × 35,138.25
4. Step 4: Simplify right side
   64,946.25x = 3,149,294,645.31
5. Step 5: Solve for x
   x = 3,149,294,645.31/64,946.25
6. Step 6: Final answer
   x = 48,490.79