Finding the Fourth Proportional to 2,752.90, 4,127.52 and 903.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,752.90 : 4,127.52 = 903.37 : x
2. Step 2: Convert to fraction form
   2,752.90/4,127.52 = 903.37/x
3. Step 3: Cross multiply
   2,752.90x = 4,127.52 × 903.37
4. Step 4: Simplify right side
   2,752.90x = 3,728,667.42
5. Step 5: Solve for x
   x = 3,728,667.42/2,752.90
6. Step 6: Final answer
   x = 1,354.45