Finding the Fourth Proportional to 1,063.57, 1,467.71 and 591.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.57 : 1,467.71 = 591.49 : x
2. Step 2: Convert to fraction form
   1,063.57/1,467.71 = 591.49/x
3. Step 3: Cross multiply
   1,063.57x = 1,467.71 × 591.49
4. Step 4: Simplify right side
   1,063.57x = 868,136.88
5. Step 5: Solve for x
   x = 868,136.88/1,063.57
6. Step 6: Final answer
   x = 816.25