Finding the Fourth Proportional to 2,406.50, 3,591.13 and 2,147.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.50 : 3,591.13 = 2,147.30 : x
2. Step 2: Convert to fraction form
   2,406.50/3,591.13 = 2,147.30/x
3. Step 3: Cross multiply
   2,406.50x = 3,591.13 × 2,147.30
4. Step 4: Simplify right side
   2,406.50x = 7,711,233.45
5. Step 5: Solve for x
   x = 7,711,233.45/2,406.50
6. Step 6: Final answer
   x = 3,204.34