Finding the Fourth Proportional to 1,426.88, 1,969.52 and 903.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.88 : 1,969.52 = 903.22 : x
2. Step 2: Convert to fraction form
   1,426.88/1,969.52 = 903.22/x
3. Step 3: Cross multiply
   1,426.88x = 1,969.52 × 903.22
4. Step 4: Simplify right side
   1,426.88x = 1,778,900.41
5. Step 5: Solve for x
   x = 1,778,900.41/1,426.88
6. Step 6: Final answer
   x = 1,246.70