Finding the Fourth Proportional to 1,050.00, 1,573.18 and 638.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.00 : 1,573.18 = 638.27 : x
2. Step 2: Convert to fraction form
   1,050.00/1,573.18 = 638.27/x
3. Step 3: Cross multiply
   1,050.00x = 1,573.18 × 638.27
4. Step 4: Simplify right side
   1,050.00x = 1,004,110.04
5. Step 5: Solve for x
   x = 1,004,110.04/1,050.00
6. Step 6: Final answer
   x = 956.30