Finding the Fourth Proportional to 10,912.22, 15,059.32 and 6,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,912.22 : 15,059.32 = 6,196.50 : x
2. Step 2: Convert to fraction form
   10,912.22/15,059.32 = 6,196.50/x
3. Step 3: Cross multiply
   10,912.22x = 15,059.32 × 6,196.50
4. Step 4: Simplify right side
   10,912.22x = 93,315,060.89
5. Step 5: Solve for x
   x = 93,315,060.89/10,912.22
6. Step 6: Final answer
   x = 8,551.43