Finding the Fourth Proportional to 3,807.55, 5,710.41 and 1,308.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,807.55 : 5,710.41 = 1,308.46 : x
2. Step 2: Convert to fraction form
   3,807.55/5,710.41 = 1,308.46/x
3. Step 3: Cross multiply
   3,807.55x = 5,710.41 × 1,308.46
4. Step 4: Simplify right side
   3,807.55x = 7,471,843.07
5. Step 5: Solve for x
   x = 7,471,843.07/3,807.55
6. Step 6: Final answer
   x = 1,962.38