Finding the Fourth Proportional to 1,649.31, 2,276.04 and 903.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.31 : 2,276.04 = 903.27 : x
2. Step 2: Convert to fraction form
   1,649.31/2,276.04 = 903.27/x
3. Step 3: Cross multiply
   1,649.31x = 2,276.04 × 903.27
4. Step 4: Simplify right side
   1,649.31x = 2,055,875.22
5. Step 5: Solve for x
   x = 2,055,875.22/1,649.31
6. Step 6: Final answer
   x = 1,246.51