Finding the Fourth Proportional to 1,063.48, 1,467.61 and 591.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.48 : 1,467.61 = 591.38 : x
2. Step 2: Convert to fraction form
   1,063.48/1,467.61 = 591.38/x
3. Step 3: Cross multiply
   1,063.48x = 1,467.61 × 591.38
4. Step 4: Simplify right side
   1,063.48x = 867,915.20
5. Step 5: Solve for x
   x = 867,915.20/1,063.48
6. Step 6: Final answer
   x = 816.11