Finding the Fourth Proportional to 11,048.29, 16,539.86 and 7,293.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,048.29 : 16,539.86 = 7,293.15 : x
2. Step 2: Convert to fraction form
   11,048.29/16,539.86 = 7,293.15/x
3. Step 3: Cross multiply
   11,048.29x = 16,539.86 × 7,293.15
4. Step 4: Simplify right side
   11,048.29x = 120,627,698.19
5. Step 5: Solve for x
   x = 120,627,698.19/11,048.29
6. Step 6: Final answer
   x = 10,918.23