Finding the Fourth Proportional to 1,005.67, 1,504.72 and 595.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005.67 : 1,504.72 = 595.00 : x
2. Step 2: Convert to fraction form
   1,005.67/1,504.72 = 595.00/x
3. Step 3: Cross multiply
   1,005.67x = 1,504.72 × 595.00
4. Step 4: Simplify right side
   1,005.67x = 895,297.90
5. Step 5: Solve for x
   x = 895,297.90/1,005.67
6. Step 6: Final answer
   x = 890.25