Finding the Fourth Proportional to 2,429.76, 3,642.72 and 1,551.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.76 : 3,642.72 = 1,551.36 : x
2. Step 2: Convert to fraction form
   2,429.76/3,642.72 = 1,551.36/x
3. Step 3: Cross multiply
   2,429.76x = 3,642.72 × 1,551.36
4. Step 4: Simplify right side
   2,429.76x = 5,651,170.10
5. Step 5: Solve for x
   x = 5,651,170.10/2,429.76
6. Step 6: Final answer
   x = 2,325.81