Finding the Fourth Proportional to 11,288.28, 16,936.47 and 5,047.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,288.28 : 16,936.47 = 5,047.80 : x
2. Step 2: Convert to fraction form
   11,288.28/16,936.47 = 5,047.80/x
3. Step 3: Cross multiply
   11,288.28x = 16,936.47 × 5,047.80
4. Step 4: Simplify right side
   11,288.28x = 85,491,913.27
5. Step 5: Solve for x
   x = 85,491,913.27/11,288.28
6. Step 6: Final answer
   x = 7,573.51