Finding the Fourth Proportional to 11,021.57, 16,536.45 and 5,101.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,021.57 : 16,536.45 = 5,101.33 : x
2. Step 2: Convert to fraction form
   11,021.57/16,536.45 = 5,101.33/x
3. Step 3: Cross multiply
   11,021.57x = 16,536.45 × 5,101.33
4. Step 4: Simplify right side
   11,021.57x = 84,357,897.27
5. Step 5: Solve for x
   x = 84,357,897.27/11,021.57
6. Step 6: Final answer
   x = 7,653.89