Finding the Fourth Proportional to 2,408.47, 3,612.65 and 1,109.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.47 : 3,612.65 = 1,109.94 : x
2. Step 2: Convert to fraction form
   2,408.47/3,612.65 = 1,109.94/x
3. Step 3: Cross multiply
   2,408.47x = 3,612.65 × 1,109.94
4. Step 4: Simplify right side
   2,408.47x = 4,009,807.20
5. Step 5: Solve for x
   x = 4,009,807.20/2,408.47
6. Step 6: Final answer
   x = 1,664.88