Finding the Fourth Proportional to 2,045.56, 2,821.56 and 1,248.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.56 : 2,821.56 = 1,248.52 : x
2. Step 2: Convert to fraction form
   2,045.56/2,821.56 = 1,248.52/x
3. Step 3: Cross multiply
   2,045.56x = 2,821.56 × 1,248.52
4. Step 4: Simplify right side
   2,045.56x = 3,522,774.09
5. Step 5: Solve for x
   x = 3,522,774.09/2,045.56
6. Step 6: Final answer
   x = 1,722.16