Finding the Fourth Proportional to 5,216.01, 7,820.37 and 2,617.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,216.01 : 7,820.37 = 2,617.53 : x
2. Step 2: Convert to fraction form
   5,216.01/7,820.37 = 2,617.53/x
3. Step 3: Cross multiply
   5,216.01x = 7,820.37 × 2,617.53
4. Step 4: Simplify right side
   5,216.01x = 20,470,053.09
5. Step 5: Solve for x
   x = 20,470,053.09/5,216.01
6. Step 6: Final answer
   x = 3,924.47