Finding the Fourth Proportional to 2,271.64, 3,404.47 and 2,123.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.64 : 3,404.47 = 2,123.67 : x
2. Step 2: Convert to fraction form
   2,271.64/3,404.47 = 2,123.67/x
3. Step 3: Cross multiply
   2,271.64x = 3,404.47 × 2,123.67
4. Step 4: Simplify right side
   2,271.64x = 7,229,970.80
5. Step 5: Solve for x
   x = 7,229,970.80/2,271.64
6. Step 6: Final answer
   x = 3,182.71