Finding the Fourth Proportional to 11,081.84, 15,288.11 and 7,300.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.84 : 15,288.11 = 7,300.15 : x
2. Step 2: Convert to fraction form
   11,081.84/15,288.11 = 7,300.15/x
3. Step 3: Cross multiply
   11,081.84x = 15,288.11 × 7,300.15
4. Step 4: Simplify right side
   11,081.84x = 111,605,448.87
5. Step 5: Solve for x
   x = 111,605,448.87/11,081.84
6. Step 6: Final answer
   x = 10,071.03