Finding the Fourth Proportional to 11,080.55, 15,286.83 and 7,305.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,080.55 : 15,286.83 = 7,305.69 : x
2. Step 2: Convert to fraction form
   11,080.55/15,286.83 = 7,305.69/x
3. Step 3: Cross multiply
   11,080.55x = 15,286.83 × 7,305.69
4. Step 4: Simplify right side
   11,080.55x = 111,680,870.99
5. Step 5: Solve for x
   x = 111,680,870.99/11,080.55
6. Step 6: Final answer
   x = 10,079.00