Finding the Fourth Proportional to 1,859.27, 2,789.55 and 1,237.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.27 : 2,789.55 = 1,237.06 : x
2. Step 2: Convert to fraction form
   1,859.27/2,789.55 = 1,237.06/x
3. Step 3: Cross multiply
   1,859.27x = 2,789.55 × 1,237.06
4. Step 4: Simplify right side
   1,859.27x = 3,450,834.01
5. Step 5: Solve for x
   x = 3,450,834.01/1,859.27
6. Step 6: Final answer
   x = 1,856.02