Finding the Fourth Proportional to 5,621.73, 7,760.17 and 5,031.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,621.73 : 7,760.17 = 5,031.24 : x
2. Step 2: Convert to fraction form
   5,621.73/7,760.17 = 5,031.24/x
3. Step 3: Cross multiply
   5,621.73x = 7,760.17 × 5,031.24
4. Step 4: Simplify right side
   5,621.73x = 39,043,277.71
5. Step 5: Solve for x
   x = 39,043,277.71/5,621.73
6. Step 6: Final answer
   x = 6,945.06