Finding the Fourth Proportional to 1,366.72, 1,887.60 and 1,263.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.72 : 1,887.60 = 1,263.04 : x
2. Step 2: Convert to fraction form
   1,366.72/1,887.60 = 1,263.04/x
3. Step 3: Cross multiply
   1,366.72x = 1,887.60 × 1,263.04
4. Step 4: Simplify right side
   1,366.72x = 2,384,114.30
5. Step 5: Solve for x
   x = 2,384,114.30/1,366.72
6. Step 6: Final answer
   x = 1,744.41