Finding the Fourth Proportional to 11,166.12, 15,419.62 and 7,196.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,166.12 : 15,419.62 = 7,196.52 : x
2. Step 2: Convert to fraction form
   11,166.12/15,419.62 = 7,196.52/x
3. Step 3: Cross multiply
   11,166.12x = 15,419.62 × 7,196.52
4. Step 4: Simplify right side
   11,166.12x = 110,967,603.72
5. Step 5: Solve for x
   x = 110,967,603.72/11,166.12
6. Step 6: Final answer
   x = 9,937.88