Finding the Fourth Proportional to 11,066.52, 15,279.12 and 7,089.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,066.52 : 15,279.12 = 7,089.42 : x
2. Step 2: Convert to fraction form
   11,066.52/15,279.12 = 7,089.42/x
3. Step 3: Cross multiply
   11,066.52x = 15,279.12 × 7,089.42
4. Step 4: Simplify right side
   11,066.52x = 108,320,098.91
5. Step 5: Solve for x
   x = 108,320,098.91/11,066.52
6. Step 6: Final answer
   x = 9,788.09