Finding the Fourth Proportional to 21,196.40, 31,794.57 and 5,614.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,196.40 : 31,794.57 = 5,614.02 : x
2. Step 2: Convert to fraction form
   21,196.40/31,794.57 = 5,614.02/x
3. Step 3: Cross multiply
   21,196.40x = 31,794.57 × 5,614.02
4. Step 4: Simplify right side
   21,196.40x = 178,495,351.87
5. Step 5: Solve for x
   x = 178,495,351.87/21,196.40
6. Step 6: Final answer
   x = 8,421.02