Finding the Fourth Proportional to 1,074.73, 1,613.15 and 527.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.73 : 1,613.15 = 527.31 : x
2. Step 2: Convert to fraction form
   1,074.73/1,613.15 = 527.31/x
3. Step 3: Cross multiply
   1,074.73x = 1,613.15 × 527.31
4. Step 4: Simplify right side
   1,074.73x = 850,630.13
5. Step 5: Solve for x
   x = 850,630.13/1,074.73
6. Step 6: Final answer
   x = 791.48