Finding the Fourth Proportional to 1,064.90, 1,475.89 and 1,049.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.90 : 1,475.89 = 1,049.10 : x
2. Step 2: Convert to fraction form
   1,064.90/1,475.89 = 1,049.10/x
3. Step 3: Cross multiply
   1,064.90x = 1,475.89 × 1,049.10
4. Step 4: Simplify right side
   1,064.90x = 1,548,356.20
5. Step 5: Solve for x
   x = 1,548,356.20/1,064.90
6. Step 6: Final answer
   x = 1,453.99