Finding the Fourth Proportional to 2,030.18, 2,800.05 and 1,331.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.18 : 2,800.05 = 1,331.42 : x
2. Step 2: Convert to fraction form
   2,030.18/2,800.05 = 1,331.42/x
3. Step 3: Cross multiply
   2,030.18x = 2,800.05 × 1,331.42
4. Step 4: Simplify right side
   2,030.18x = 3,728,042.57
5. Step 5: Solve for x
   x = 3,728,042.57/2,030.18
6. Step 6: Final answer
   x = 1,836.31