Finding the Fourth Proportional to 2,271.39, 3,133.42 and 1,515.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.39 : 3,133.42 = 1,515.54 : x
2. Step 2: Convert to fraction form
   2,271.39/3,133.42 = 1,515.54/x
3. Step 3: Cross multiply
   2,271.39x = 3,133.42 × 1,515.54
4. Step 4: Simplify right side
   2,271.39x = 4,748,823.35
5. Step 5: Solve for x
   x = 4,748,823.35/2,271.39
6. Step 6: Final answer
   x = 2,090.71