Finding the Fourth Proportional to 3,807.08, 5,256.24 and 3,408.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,807.08 : 5,256.24 = 3,408.05 : x
2. Step 2: Convert to fraction form
   3,807.08/5,256.24 = 3,408.05/x
3. Step 3: Cross multiply
   3,807.08x = 5,256.24 × 3,408.05
4. Step 4: Simplify right side
   3,807.08x = 17,913,528.73
5. Step 5: Solve for x
   x = 17,913,528.73/3,807.08
6. Step 6: Final answer
   x = 4,705.32