Finding the Fourth Proportional to 11,173.52, 15,415.05 and 7,196.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,173.52 : 15,415.05 = 7,196.94 : x
2. Step 2: Convert to fraction form
   11,173.52/15,415.05 = 7,196.94/x
3. Step 3: Cross multiply
   11,173.52x = 15,415.05 × 7,196.94
4. Step 4: Simplify right side
   11,173.52x = 110,941,203.44
5. Step 5: Solve for x
   x = 110,941,203.44/11,173.52
6. Step 6: Final answer
   x = 9,928.94