Finding the Fourth Proportional to 11,215.01, 16,825.14 and 3,423.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,215.01 : 16,825.14 = 3,423.82 : x
2. Step 2: Convert to fraction form
   11,215.01/16,825.14 = 3,423.82/x
3. Step 3: Cross multiply
   11,215.01x = 16,825.14 × 3,423.82
4. Step 4: Simplify right side
   11,215.01x = 57,606,250.83
5. Step 5: Solve for x
   x = 57,606,250.83/11,215.01
6. Step 6: Final answer
   x = 5,136.53