Finding the Fourth Proportional to 1,821.95, 2,511.72 and 1,541.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821.95 : 2,511.72 = 1,541.06 : x
2. Step 2: Convert to fraction form
   1,821.95/2,511.72 = 1,541.06/x
3. Step 3: Cross multiply
   1,821.95x = 2,511.72 × 1,541.06
4. Step 4: Simplify right side
   1,821.95x = 3,870,698.66
5. Step 5: Solve for x
   x = 3,870,698.66/1,821.95
6. Step 6: Final answer
   x = 2,124.49