Finding the Fourth Proportional to 1,606.75, 2,217.47 and 1,009.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.75 : 2,217.47 = 1,009.34 : x
2. Step 2: Convert to fraction form
   1,606.75/2,217.47 = 1,009.34/x
3. Step 3: Cross multiply
   1,606.75x = 2,217.47 × 1,009.34
4. Step 4: Simplify right side
   1,606.75x = 2,238,181.17
5. Step 5: Solve for x
   x = 2,238,181.17/1,606.75
6. Step 6: Final answer
   x = 1,392.99