Finding the Fourth Proportional to 1,809.31, 2,496.72 and 1,063.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.31 : 2,496.72 = 1,063.30 : x
2. Step 2: Convert to fraction form
   1,809.31/2,496.72 = 1,063.30/x
3. Step 3: Cross multiply
   1,809.31x = 2,496.72 × 1,063.30
4. Step 4: Simplify right side
   1,809.31x = 2,654,762.38
5. Step 5: Solve for x
   x = 2,654,762.38/1,809.31
6. Step 6: Final answer
   x = 1,467.28