Finding the Fourth Proportional to 15,196.28, 22,780.56 and 5,330.18

Step by Step Solution

1. Step 1: Write the proportion equation
   15,196.28 : 22,780.56 = 5,330.18 : x
2. Step 2: Convert to fraction form
   15,196.28/22,780.56 = 5,330.18/x
3. Step 3: Cross multiply
   15,196.28x = 22,780.56 × 5,330.18
4. Step 4: Simplify right side
   15,196.28x = 121,424,485.30
5. Step 5: Solve for x
   x = 121,424,485.30/15,196.28
6. Step 6: Final answer
   x = 7,990.41