Finding the Fourth Proportional to 2,047.32, 2,821.86 and 1,654.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.32 : 2,821.86 = 1,654.20 : x
2. Step 2: Convert to fraction form
   2,047.32/2,821.86 = 1,654.20/x
3. Step 3: Cross multiply
   2,047.32x = 2,821.86 × 1,654.20
4. Step 4: Simplify right side
   2,047.32x = 4,667,920.81
5. Step 5: Solve for x
   x = 4,667,920.81/2,047.32
6. Step 6: Final answer
   x = 2,280.02