Finding the Fourth Proportional to 2,644.73, 3,973.17 and 1,866.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.73 : 3,973.17 = 1,866.52 : x
2. Step 2: Convert to fraction form
   2,644.73/3,973.17 = 1,866.52/x
3. Step 3: Cross multiply
   2,644.73x = 3,973.17 × 1,866.52
4. Step 4: Simplify right side
   2,644.73x = 7,416,001.27
5. Step 5: Solve for x
   x = 7,416,001.27/2,644.73
6. Step 6: Final answer
   x = 2,804.07