Finding the Fourth Proportional to 1,866.51, 2,789.98 and 1,827.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866.51 : 2,789.98 = 1,827.63 : x
2. Step 2: Convert to fraction form
   1,866.51/2,789.98 = 1,827.63/x
3. Step 3: Cross multiply
   1,866.51x = 2,789.98 × 1,827.63
4. Step 4: Simplify right side
   1,866.51x = 5,099,046.58
5. Step 5: Solve for x
   x = 5,099,046.58/1,866.51
6. Step 6: Final answer
   x = 2,731.86