Finding the Fourth Proportional to 6,155.40, 8,494.34 and 3,603.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,155.40 : 8,494.34 = 3,603.42 : x
2. Step 2: Convert to fraction form
   6,155.40/8,494.34 = 3,603.42/x
3. Step 3: Cross multiply
   6,155.40x = 8,494.34 × 3,603.42
4. Step 4: Simplify right side
   6,155.40x = 30,608,674.64
5. Step 5: Solve for x
   x = 30,608,674.64/6,155.40
6. Step 6: Final answer
   x = 4,972.65