Finding the Fourth Proportional to 5,493.81, 7,581.57 and 2,976.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,493.81 : 7,581.57 = 2,976.03 : x
2. Step 2: Convert to fraction form
   5,493.81/7,581.57 = 2,976.03/x
3. Step 3: Cross multiply
   5,493.81x = 7,581.57 × 2,976.03
4. Step 4: Simplify right side
   5,493.81x = 22,562,979.77
5. Step 5: Solve for x
   x = 22,562,979.77/5,493.81
6. Step 6: Final answer
   x = 4,106.98