Finding the Fourth Proportional to 11,067.52, 15,280.50 and 7,090.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,067.52 : 15,280.50 = 7,090.42 : x
2. Step 2: Convert to fraction form
   11,067.52/15,280.50 = 7,090.42/x
3. Step 3: Cross multiply
   11,067.52x = 15,280.50 × 7,090.42
4. Step 4: Simplify right side
   11,067.52x = 108,345,162.81
5. Step 5: Solve for x
   x = 108,345,162.81/11,067.52
6. Step 6: Final answer
   x = 9,789.47