Finding the Fourth Proportional to 1,045.83, 1,567.53 and 395.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.83 : 1,567.53 = 395.94 : x
2. Step 2: Convert to fraction form
   1,045.83/1,567.53 = 395.94/x
3. Step 3: Cross multiply
   1,045.83x = 1,567.53 × 395.94
4. Step 4: Simplify right side
   1,045.83x = 620,647.83
5. Step 5: Solve for x
   x = 620,647.83/1,045.83
6. Step 6: Final answer
   x = 593.45