Finding the Fourth Proportional to 1,606.35, 2,217.05 and 943.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.35 : 2,217.05 = 943.59 : x
2. Step 2: Convert to fraction form
   1,606.35/2,217.05 = 943.59/x
3. Step 3: Cross multiply
   1,606.35x = 2,217.05 × 943.59
4. Step 4: Simplify right side
   1,606.35x = 2,091,986.21
5. Step 5: Solve for x
   x = 2,091,986.21/1,606.35
6. Step 6: Final answer
   x = 1,302.32