Finding the Fourth Proportional to 11,196.95, 15,435.42 and 7,829.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,196.95 : 15,435.42 = 7,829.28 : x
2. Step 2: Convert to fraction form
   11,196.95/15,435.42 = 7,829.28/x
3. Step 3: Cross multiply
   11,196.95x = 15,435.42 × 7,829.28
4. Step 4: Simplify right side
   11,196.95x = 120,848,225.10
5. Step 5: Solve for x
   x = 120,848,225.10/11,196.95
6. Step 6: Final answer
   x = 10,792.96