Finding the Fourth Proportional to 21,887.69, 32,849.90 and 11,364.17

Step by Step Solution

1. Step 1: Write the proportion equation
   21,887.69 : 32,849.90 = 11,364.17 : x
2. Step 2: Convert to fraction form
   21,887.69/32,849.90 = 11,364.17/x
3. Step 3: Cross multiply
   21,887.69x = 32,849.90 × 11,364.17
4. Step 4: Simplify right side
   21,887.69x = 373,311,627.01
5. Step 5: Solve for x
   x = 373,311,627.01/21,887.69
6. Step 6: Final answer
   x = 17,055.78