Finding the Fourth Proportional to 4,976.72, 7,461.30 and 3,883.40

Step by Step Solution

1. Step 1: Write the proportion equation
   4,976.72 : 7,461.30 = 3,883.40 : x
2. Step 2: Convert to fraction form
   4,976.72/7,461.30 = 3,883.40/x
3. Step 3: Cross multiply
   4,976.72x = 7,461.30 × 3,883.40
4. Step 4: Simplify right side
   4,976.72x = 28,975,212.42
5. Step 5: Solve for x
   x = 28,975,212.42/4,976.72
6. Step 6: Final answer
   x = 5,822.15