Finding the Fourth Proportional to 21,196.48, 31,793.76 and 7,346.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,196.48 : 31,793.76 = 7,346.56 : x
2. Step 2: Convert to fraction form
   21,196.48/31,793.76 = 7,346.56/x
3. Step 3: Cross multiply
   21,196.48x = 31,793.76 × 7,346.56
4. Step 4: Simplify right side
   21,196.48x = 233,574,765.47
5. Step 5: Solve for x
   x = 233,574,765.47/21,196.48
6. Step 6: Final answer
   x = 11,019.51