Finding the Fourth Proportional to 2,371.47, 3,271.71 and 1,376.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.47 : 3,271.71 = 1,376.55 : x
2. Step 2: Convert to fraction form
   2,371.47/3,271.71 = 1,376.55/x
3. Step 3: Cross multiply
   2,371.47x = 3,271.71 × 1,376.55
4. Step 4: Simplify right side
   2,371.47x = 4,503,672.40
5. Step 5: Solve for x
   x = 4,503,672.40/2,371.47
6. Step 6: Final answer
   x = 1,899.11