Finding the Fourth Proportional to 1,493.33, 2,235.37 and 1,271.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.33 : 2,235.37 = 1,271.90 : x
2. Step 2: Convert to fraction form
   1,493.33/2,235.37 = 1,271.90/x
3. Step 3: Cross multiply
   1,493.33x = 2,235.37 × 1,271.90
4. Step 4: Simplify right side
   1,493.33x = 2,843,155.93
5. Step 5: Solve for x
   x = 2,843,155.93/1,493.33
6. Step 6: Final answer
   x = 1,903.90