Finding the Fourth Proportional to 2,227.10, 3,071.52 and 1,931.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.10 : 3,071.52 = 1,931.85 : x
2. Step 2: Convert to fraction form
   2,227.10/3,071.52 = 1,931.85/x
3. Step 3: Cross multiply
   2,227.10x = 3,071.52 × 1,931.85
4. Step 4: Simplify right side
   2,227.10x = 5,933,715.91
5. Step 5: Solve for x
   x = 5,933,715.91/2,227.10
6. Step 6: Final answer
   x = 2,664.33