Finding the Fourth Proportional to 2,320.69, 3,202.56 and 1,376.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.69 : 3,202.56 = 1,376.53 : x
2. Step 2: Convert to fraction form
   2,320.69/3,202.56 = 1,376.53/x
3. Step 3: Cross multiply
   2,320.69x = 3,202.56 × 1,376.53
4. Step 4: Simplify right side
   2,320.69x = 4,408,419.92
5. Step 5: Solve for x
   x = 4,408,419.92/2,320.69
6. Step 6: Final answer
   x = 1,899.62