Finding the Fourth Proportional to 1,422.24, 2,123.88 and 1,349.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.24 : 2,123.88 = 1,349.34 : x
2. Step 2: Convert to fraction form
   1,422.24/2,123.88 = 1,349.34/x
3. Step 3: Cross multiply
   1,422.24x = 2,123.88 × 1,349.34
4. Step 4: Simplify right side
   1,422.24x = 2,865,836.24
5. Step 5: Solve for x
   x = 2,865,836.24/1,422.24
6. Step 6: Final answer
   x = 2,015.02