Finding the Fourth Proportional to 2,408.40, 3,612.24 and 948.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.40 : 3,612.24 = 948.56 : x
2. Step 2: Convert to fraction form
   2,408.40/3,612.24 = 948.56/x
3. Step 3: Cross multiply
   2,408.40x = 3,612.24 × 948.56
4. Step 4: Simplify right side
   2,408.40x = 3,426,426.37
5. Step 5: Solve for x
   x = 3,426,426.37/2,408.40
6. Step 6: Final answer
   x = 1,422.70