Finding the Fourth Proportional to 3,728.78, 5,593.89 and 1,263.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.78 : 5,593.89 = 1,263.50 : x
2. Step 2: Convert to fraction form
   3,728.78/5,593.89 = 1,263.50/x
3. Step 3: Cross multiply
   3,728.78x = 5,593.89 × 1,263.50
4. Step 4: Simplify right side
   3,728.78x = 7,067,880.02
5. Step 5: Solve for x
   x = 7,067,880.02/3,728.78
6. Step 6: Final answer
   x = 1,895.49