Finding the Fourth Proportional to 1,810.82, 2,711.63 and 1,517.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.82 : 2,711.63 = 1,517.55 : x
2. Step 2: Convert to fraction form
   1,810.82/2,711.63 = 1,517.55/x
3. Step 3: Cross multiply
   1,810.82x = 2,711.63 × 1,517.55
4. Step 4: Simplify right side
   1,810.82x = 4,115,016.35
5. Step 5: Solve for x
   x = 4,115,016.35/1,810.82
6. Step 6: Final answer
   x = 2,272.47