Finding the Fourth Proportional to 11,196.52, 15,448.40 and 7,212.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,196.52 : 15,448.40 = 7,212.84 : x
2. Step 2: Convert to fraction form
   11,196.52/15,448.40 = 7,212.84/x
3. Step 3: Cross multiply
   11,196.52x = 15,448.40 × 7,212.84
4. Step 4: Simplify right side
   11,196.52x = 111,426,837.46
5. Step 5: Solve for x
   x = 111,426,837.46/11,196.52
6. Step 6: Final answer
   x = 9,951.92