Finding the Fourth Proportional to 10,820.01, 16,230.07 and 3,424.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,820.01 : 16,230.07 = 3,424.51 : x
2. Step 2: Convert to fraction form
   10,820.01/16,230.07 = 3,424.51/x
3. Step 3: Cross multiply
   10,820.01x = 16,230.07 × 3,424.51
4. Step 4: Simplify right side
   10,820.01x = 55,580,061.58
5. Step 5: Solve for x
   x = 55,580,061.58/10,820.01
6. Step 6: Final answer
   x = 5,136.78