Finding the Fourth Proportional to 3,647.30, 5,474.91 and 1,457.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.30 : 5,474.91 = 1,457.54 : x
2. Step 2: Convert to fraction form
   3,647.30/5,474.91 = 1,457.54/x
3. Step 3: Cross multiply
   3,647.30x = 5,474.91 × 1,457.54
4. Step 4: Simplify right side
   3,647.30x = 7,979,900.32
5. Step 5: Solve for x
   x = 7,979,900.32/3,647.30
6. Step 6: Final answer
   x = 2,187.89