Finding the Fourth Proportional to 2,081.13, 3,132.20 and 1,563.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.13 : 3,132.20 = 1,563.86 : x
2. Step 2: Convert to fraction form
   2,081.13/3,132.20 = 1,563.86/x
3. Step 3: Cross multiply
   2,081.13x = 3,132.20 × 1,563.86
4. Step 4: Simplify right side
   2,081.13x = 4,898,298.81
5. Step 5: Solve for x
   x = 4,898,298.81/2,081.13
6. Step 6: Final answer
   x = 2,353.67