Finding the Fourth Proportional to 3,856.38, 5,321.83 and 2,088

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.38 : 5,321.83 = 2,088 : x
2. Step 2: Convert to fraction form
   3,856.38/5,321.83 = 2,088/x
3. Step 3: Cross multiply
   3,856.38x = 5,321.83 × 2,088
4. Step 4: Simplify right side
   3,856.38x = 11,111,981.04
5. Step 5: Solve for x
   x = 11,111,981.04/3,856.38
6. Step 6: Final answer
   x = 2,881.45