Finding the Fourth Proportional to 1,490.28, 2,057.52 and 1,041.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.28 : 2,057.52 = 1,041.99 : x
2. Step 2: Convert to fraction form
   1,490.28/2,057.52 = 1,041.99/x
3. Step 3: Cross multiply
   1,490.28x = 2,057.52 × 1,041.99
4. Step 4: Simplify right side
   1,490.28x = 2,143,915.26
5. Step 5: Solve for x
   x = 2,143,915.26/1,490.28
6. Step 6: Final answer
   x = 1,438.60