Finding the Fourth Proportional to 11,077.29, 15,279.39 and 7,092.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,077.29 : 15,279.39 = 7,092.09 : x
2. Step 2: Convert to fraction form
   11,077.29/15,279.39 = 7,092.09/x
3. Step 3: Cross multiply
   11,077.29x = 15,279.39 × 7,092.09
4. Step 4: Simplify right side
   11,077.29x = 108,362,809.03
5. Step 5: Solve for x
   x = 108,362,809.03/11,077.29
6. Step 6: Final answer
   x = 9,782.43