Finding the Fourth Proportional to 3,738.29, 5,605.52 and 1,272.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,738.29 : 5,605.52 = 1,272.42 : x
2. Step 2: Convert to fraction form
   3,738.29/5,605.52 = 1,272.42/x
3. Step 3: Cross multiply
   3,738.29x = 5,605.52 × 1,272.42
4. Step 4: Simplify right side
   3,738.29x = 7,132,569.40
5. Step 5: Solve for x
   x = 7,132,569.40/3,738.29
6. Step 6: Final answer
   x = 1,907.98