Finding the Fourth Proportional to 2,038.89, 2,813.40 and 1,291.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.89 : 2,813.40 = 1,291.53 : x
2. Step 2: Convert to fraction form
   2,038.89/2,813.40 = 1,291.53/x
3. Step 3: Cross multiply
   2,038.89x = 2,813.40 × 1,291.53
4. Step 4: Simplify right side
   2,038.89x = 3,633,590.50
5. Step 5: Solve for x
   x = 3,633,590.50/2,038.89
6. Step 6: Final answer
   x = 1,782.14