Finding the Fourth Proportional to 2,931.89, 4,397.72 and 1,371.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.89 : 4,397.72 = 1,371.32 : x
2. Step 2: Convert to fraction form
   2,931.89/4,397.72 = 1,371.32/x
3. Step 3: Cross multiply
   2,931.89x = 4,397.72 × 1,371.32
4. Step 4: Simplify right side
   2,931.89x = 6,030,652.55
5. Step 5: Solve for x
   x = 6,030,652.55/2,931.89
6. Step 6: Final answer
   x = 2,056.92