Finding the Fourth Proportional to 1,426.74, 1,969.56 and 903.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.74 : 1,969.56 = 903.48 : x
2. Step 2: Convert to fraction form
   1,426.74/1,969.56 = 903.48/x
3. Step 3: Cross multiply
   1,426.74x = 1,969.56 × 903.48
4. Step 4: Simplify right side
   1,426.74x = 1,779,458.07
5. Step 5: Solve for x
   x = 1,779,458.07/1,426.74
6. Step 6: Final answer
   x = 1,247.22