Finding the Fourth Proportional to 3,943.56, 5,880.54 and 3,749.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.56 : 5,880.54 = 3,749.76 : x
2. Step 2: Convert to fraction form
   3,943.56/5,880.54 = 3,749.76/x
3. Step 3: Cross multiply
   3,943.56x = 5,880.54 × 3,749.76
4. Step 4: Simplify right side
   3,943.56x = 22,050,613.67
5. Step 5: Solve for x
   x = 22,050,613.67/3,943.56
6. Step 6: Final answer
   x = 5,591.55