Finding the Fourth Proportional to 2,814.89, 3,885.17 and 1,872.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.89 : 3,885.17 = 1,872.32 : x
2. Step 2: Convert to fraction form
   2,814.89/3,885.17 = 1,872.32/x
3. Step 3: Cross multiply
   2,814.89x = 3,885.17 × 1,872.32
4. Step 4: Simplify right side
   2,814.89x = 7,274,252.71
5. Step 5: Solve for x
   x = 7,274,252.71/2,814.89
6. Step 6: Final answer
   x = 2,584.21