Finding the Fourth Proportional to 64,870.92, 89,521.83 and 35,062.92

Step by Step Solution

1. Step 1: Write the proportion equation
   64,870.92 : 89,521.83 = 35,062.92 : x
2. Step 2: Convert to fraction form
   64,870.92/89,521.83 = 35,062.92/x
3. Step 3: Cross multiply
   64,870.92x = 89,521.83 × 35,062.92
4. Step 4: Simplify right side
   64,870.92x = 3,138,896,763.54
5. Step 5: Solve for x
   x = 3,138,896,763.54/64,870.92
6. Step 6: Final answer
   x = 48,386.81