Finding the Fourth Proportional to 3,766.85, 5,648.45 and 1,300.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.85 : 5,648.45 = 1,300.81 : x
2. Step 2: Convert to fraction form
   3,766.85/5,648.45 = 1,300.81/x
3. Step 3: Cross multiply
   3,766.85x = 5,648.45 × 1,300.81
4. Step 4: Simplify right side
   3,766.85x = 7,347,549.38
5. Step 5: Solve for x
   x = 7,347,549.38/3,766.85
6. Step 6: Final answer
   x = 1,950.58