Finding the Fourth Proportional to 2,283.78, 3,148.69 and 1,872.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.78 : 3,148.69 = 1,872.99 : x
2. Step 2: Convert to fraction form
   2,283.78/3,148.69 = 1,872.99/x
3. Step 3: Cross multiply
   2,283.78x = 3,148.69 × 1,872.99
4. Step 4: Simplify right side
   2,283.78x = 5,897,459.90
5. Step 5: Solve for x
   x = 5,897,459.90/2,283.78
6. Step 6: Final answer
   x = 2,582.32