Finding the Fourth Proportional to 3,758.54, 5,635.98 and 1,292.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.54 : 5,635.98 = 1,292.72 : x
2. Step 2: Convert to fraction form
   3,758.54/5,635.98 = 1,292.72/x
3. Step 3: Cross multiply
   3,758.54x = 5,635.98 × 1,292.72
4. Step 4: Simplify right side
   3,758.54x = 7,285,715.89
5. Step 5: Solve for x
   x = 7,285,715.89/3,758.54
6. Step 6: Final answer
   x = 1,938.45