Finding the Fourth Proportional to 2,419.89, 3,317.69 and 2,376.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.89 : 3,317.69 = 2,376.15 : x
2. Step 2: Convert to fraction form
   2,419.89/3,317.69 = 2,376.15/x
3. Step 3: Cross multiply
   2,419.89x = 3,317.69 × 2,376.15
4. Step 4: Simplify right side
   2,419.89x = 7,883,317.21
5. Step 5: Solve for x
   x = 7,883,317.21/2,419.89
6. Step 6: Final answer
   x = 3,257.72