Finding the Fourth Proportional to 11,427.28, 17,142.72 and 4,853.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,427.28 : 17,142.72 = 4,853.50 : x
2. Step 2: Convert to fraction form
   11,427.28/17,142.72 = 4,853.50/x
3. Step 3: Cross multiply
   11,427.28x = 17,142.72 × 4,853.50
4. Step 4: Simplify right side
   11,427.28x = 83,202,191.52
5. Step 5: Solve for x
   x = 83,202,191.52/11,427.28
6. Step 6: Final answer
   x = 7,281.01