Finding the Fourth Proportional to 21,620.07, 32,401.83 and 11,081.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,620.07 : 32,401.83 = 11,081.16 : x
2. Step 2: Convert to fraction form
   21,620.07/32,401.83 = 11,081.16/x
3. Step 3: Cross multiply
   21,620.07x = 32,401.83 × 11,081.16
4. Step 4: Simplify right side
   21,620.07x = 359,049,862.52
5. Step 5: Solve for x
   x = 359,049,862.52/21,620.07
6. Step 6: Final answer
   x = 16,607.25