Finding the Fourth Proportional to 1,566.57, 2,162.05 and 903.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.57 : 2,162.05 = 903.42 : x
2. Step 2: Convert to fraction form
   1,566.57/2,162.05 = 903.42/x
3. Step 3: Cross multiply
   1,566.57x = 2,162.05 × 903.42
4. Step 4: Simplify right side
   1,566.57x = 1,953,241.02
5. Step 5: Solve for x
   x = 1,953,241.02/1,566.57
6. Step 6: Final answer
   x = 1,246.83