Finding the Fourth Proportional to 11,311.62, 15,600.51 and 7,279.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,311.62 : 15,600.51 = 7,279.08 : x
2. Step 2: Convert to fraction form
   11,311.62/15,600.51 = 7,279.08/x
3. Step 3: Cross multiply
   11,311.62x = 15,600.51 × 7,279.08
4. Step 4: Simplify right side
   11,311.62x = 113,557,360.33
5. Step 5: Solve for x
   x = 113,557,360.33/11,311.62
6. Step 6: Final answer
   x = 10,039.00