Finding the Fourth Proportional to 1,566.95, 2,162.03 and 903.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.95 : 2,162.03 = 903.83 : x
2. Step 2: Convert to fraction form
   1,566.95/2,162.03 = 903.83/x
3. Step 3: Cross multiply
   1,566.95x = 2,162.03 × 903.83
4. Step 4: Simplify right side
   1,566.95x = 1,954,092.25
5. Step 5: Solve for x
   x = 1,954,092.25/1,566.95
6. Step 6: Final answer
   x = 1,247.07