Finding the Fourth Proportional to 11,066.47, 16,593.58 and 4,396.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,066.47 : 16,593.58 = 4,396.21 : x
2. Step 2: Convert to fraction form
   11,066.47/16,593.58 = 4,396.21/x
3. Step 3: Cross multiply
   11,066.47x = 16,593.58 × 4,396.21
4. Step 4: Simplify right side
   11,066.47x = 72,948,862.33
5. Step 5: Solve for x
   x = 72,948,862.33/11,066.47
6. Step 6: Final answer
   x = 6,591.88