Finding the Fourth Proportional to 11,488.37, 15,852.78 and 7,013.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,488.37 : 15,852.78 = 7,013.22 : x
2. Step 2: Convert to fraction form
   11,488.37/15,852.78 = 7,013.22/x
3. Step 3: Cross multiply
   11,488.37x = 15,852.78 × 7,013.22
4. Step 4: Simplify right side
   11,488.37x = 111,179,033.75
5. Step 5: Solve for x
   x = 111,179,033.75/11,488.37
6. Step 6: Final answer
   x = 9,677.53