Finding the Fourth Proportional to 3,803.58, 5,251.41 and 3,404.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,803.58 : 5,251.41 = 3,404.55 : x
2. Step 2: Convert to fraction form
   3,803.58/5,251.41 = 3,404.55/x
3. Step 3: Cross multiply
   3,803.58x = 5,251.41 × 3,404.55
4. Step 4: Simplify right side
   3,803.58x = 17,878,687.92
5. Step 5: Solve for x
   x = 17,878,687.92/3,803.58
6. Step 6: Final answer
   x = 4,700.49