Finding the Fourth Proportional to 1,357.87, 1,877.30 and 1,063.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.87 : 1,877.30 = 1,063.03 : x
2. Step 2: Convert to fraction form
   1,357.87/1,877.30 = 1,063.03/x
3. Step 3: Cross multiply
   1,357.87x = 1,877.30 × 1,063.03
4. Step 4: Simplify right side
   1,357.87x = 1,995,626.22
5. Step 5: Solve for x
   x = 1,995,626.22/1,357.87
6. Step 6: Final answer
   x = 1,469.67