Finding the Fourth Proportional to 1,045.99, 1,443.10 and 626.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.99 : 1,443.10 = 626.27 : x
2. Step 2: Convert to fraction form
   1,045.99/1,443.10 = 626.27/x
3. Step 3: Cross multiply
   1,045.99x = 1,443.10 × 626.27
4. Step 4: Simplify right side
   1,045.99x = 903,767.11
5. Step 5: Solve for x
   x = 903,767.11/1,045.99
6. Step 6: Final answer
   x = 864.03