Finding the Fourth Proportional to 11,217.93, 16,801.98 and 7,256.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,217.93 : 16,801.98 = 7,256.42 : x
2. Step 2: Convert to fraction form
   11,217.93/16,801.98 = 7,256.42/x
3. Step 3: Cross multiply
   11,217.93x = 16,801.98 × 7,256.42
4. Step 4: Simplify right side
   11,217.93x = 121,922,223.71
5. Step 5: Solve for x
   x = 121,922,223.71/11,217.93
6. Step 6: Final answer
   x = 10,868.52