Finding the Fourth Proportional to 1,567.04, 2,162.52 and 903.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.04 : 2,162.52 = 903.86 : x
2. Step 2: Convert to fraction form
   1,567.04/2,162.52 = 903.86/x
3. Step 3: Cross multiply
   1,567.04x = 2,162.52 × 903.86
4. Step 4: Simplify right side
   1,567.04x = 1,954,615.33
5. Step 5: Solve for x
   x = 1,954,615.33/1,567.04
6. Step 6: Final answer
   x = 1,247.33