Finding the Fourth Proportional to 2,847.33, 4,271.50 and 1,288.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.33 : 4,271.50 = 1,288.06 : x
2. Step 2: Convert to fraction form
   2,847.33/4,271.50 = 1,288.06/x
3. Step 3: Cross multiply
   2,847.33x = 4,271.50 × 1,288.06
4. Step 4: Simplify right side
   2,847.33x = 5,501,948.29
5. Step 5: Solve for x
   x = 5,501,948.29/2,847.33
6. Step 6: Final answer
   x = 1,932.32