Finding the Fourth Proportional to 2,408.37, 3,612.15 and 947.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.37 : 3,612.15 = 947.94 : x
2. Step 2: Convert to fraction form
   2,408.37/3,612.15 = 947.94/x
3. Step 3: Cross multiply
   2,408.37x = 3,612.15 × 947.94
4. Step 4: Simplify right side
   2,408.37x = 3,424,101.47
5. Step 5: Solve for x
   x = 3,424,101.47/2,408.37
6. Step 6: Final answer
   x = 1,421.75