Finding the Fourth Proportional to 21,532.28, 29,716.02 and 12,100.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,532.28 : 29,716.02 = 12,100.82 : x
2. Step 2: Convert to fraction form
   21,532.28/29,716.02 = 12,100.82/x
3. Step 3: Cross multiply
   21,532.28x = 29,716.02 × 12,100.82
4. Step 4: Simplify right side
   21,532.28x = 359,588,209.14
5. Step 5: Solve for x
   x = 359,588,209.14/21,532.28
6. Step 6: Final answer
   x = 16,699.96