Finding the Fourth Proportional to 1,606.34, 2,214.33 and 1,256.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.34 : 2,214.33 = 1,256.42 : x
2. Step 2: Convert to fraction form
   1,606.34/2,214.33 = 1,256.42/x
3. Step 3: Cross multiply
   1,606.34x = 2,214.33 × 1,256.42
4. Step 4: Simplify right side
   1,606.34x = 2,782,128.50
5. Step 5: Solve for x
   x = 2,782,128.50/1,606.34
6. Step 6: Final answer
   x = 1,731.97