Finding the Fourth Proportional to 2,378.40, 3,564.72 and 1,451.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378.40 : 3,564.72 = 1,451.04 : x
2. Step 2: Convert to fraction form
   2,378.40/3,564.72 = 1,451.04/x
3. Step 3: Cross multiply
   2,378.40x = 3,564.72 × 1,451.04
4. Step 4: Simplify right side
   2,378.40x = 5,172,551.31
5. Step 5: Solve for x
   x = 5,172,551.31/2,378.40
6. Step 6: Final answer
   x = 2,174.80