Finding the Fourth Proportional to 11,288.82, 15,570.18 and 7,306.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,288.82 : 15,570.18 = 7,306.86 : x
2. Step 2: Convert to fraction form
   11,288.82/15,570.18 = 7,306.86/x
3. Step 3: Cross multiply
   11,288.82x = 15,570.18 × 7,306.86
4. Step 4: Simplify right side
   11,288.82x = 113,769,125.43
5. Step 5: Solve for x
   x = 113,769,125.43/11,288.82
6. Step 6: Final answer
   x = 10,078.04