Finding the Fourth Proportional to 1,821.98, 2,508.53 and 1,541.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821.98 : 2,508.53 = 1,541.62 : x
2. Step 2: Convert to fraction form
   1,821.98/2,508.53 = 1,541.62/x
3. Step 3: Cross multiply
   1,821.98x = 2,508.53 × 1,541.62
4. Step 4: Simplify right side
   1,821.98x = 3,867,200.02
5. Step 5: Solve for x
   x = 3,867,200.02/1,821.98
6. Step 6: Final answer
   x = 2,122.53