Finding the Fourth Proportional to 1,395.72, 1,921.68 and 1,063.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.72 : 1,921.68 = 1,063.08 : x
2. Step 2: Convert to fraction form
   1,395.72/1,921.68 = 1,063.08/x
3. Step 3: Cross multiply
   1,395.72x = 1,921.68 × 1,063.08
4. Step 4: Simplify right side
   1,395.72x = 2,042,899.57
5. Step 5: Solve for x
   x = 2,042,899.57/1,395.72
6. Step 6: Final answer
   x = 1,463.69