Finding the Fourth Proportional to 1,063.50, 1,467.60 and 591.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.50 : 1,467.60 = 591.38 : x
2. Step 2: Convert to fraction form
   1,063.50/1,467.60 = 591.38/x
3. Step 3: Cross multiply
   1,063.50x = 1,467.60 × 591.38
4. Step 4: Simplify right side
   1,063.50x = 867,909.29
5. Step 5: Solve for x
   x = 867,909.29/1,063.50
6. Step 6: Final answer
   x = 816.09