Finding the Fourth Proportional to 64,893.38, 89,552.86 and 35,085.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,893.38 : 89,552.86 = 35,085.38 : x
2. Step 2: Convert to fraction form
   64,893.38/89,552.86 = 35,085.38/x
3. Step 3: Cross multiply
   64,893.38x = 89,552.86 × 35,085.38
4. Step 4: Simplify right side
   64,893.38x = 3,141,995,587.71
5. Step 5: Solve for x
   x = 3,141,995,587.71/64,893.38
6. Step 6: Final answer
   x = 48,417.82