Finding the Fourth Proportional to 9,321.38, 13,977.74 and 3,476.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,321.38 : 13,977.74 = 3,476.42 : x
2. Step 2: Convert to fraction form
   9,321.38/13,977.74 = 3,476.42/x
3. Step 3: Cross multiply
   9,321.38x = 13,977.74 × 3,476.42
4. Step 4: Simplify right side
   9,321.38x = 48,592,494.89
5. Step 5: Solve for x
   x = 48,592,494.89/9,321.38
6. Step 6: Final answer
   x = 5,213.02