Finding the Fourth Proportional to 2,154.98, 3,228.54 and 1,810.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154.98 : 3,228.54 = 1,810.52 : x
2. Step 2: Convert to fraction form
   2,154.98/3,228.54 = 1,810.52/x
3. Step 3: Cross multiply
   2,154.98x = 3,228.54 × 1,810.52
4. Step 4: Simplify right side
   2,154.98x = 5,845,320.10
5. Step 5: Solve for x
   x = 5,845,320.10/2,154.98
6. Step 6: Final answer
   x = 2,712.48