Finding the Fourth Proportional to 6,151.30, 9,221.55 and 3,687.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,151.30 : 9,221.55 = 3,687.10 : x
2. Step 2: Convert to fraction form
   6,151.30/9,221.55 = 3,687.10/x
3. Step 3: Cross multiply
   6,151.30x = 9,221.55 × 3,687.10
4. Step 4: Simplify right side
   6,151.30x = 34,000,777.01
5. Step 5: Solve for x
   x = 34,000,777.01/6,151.30
6. Step 6: Final answer
   x = 5,527.41