Finding the Fourth Proportional to 8,922.74, 12,314.25 and 5,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,922.74 : 12,314.25 = 5,196.50 : x
2. Step 2: Convert to fraction form
   8,922.74/12,314.25 = 5,196.50/x
3. Step 3: Cross multiply
   8,922.74x = 12,314.25 × 5,196.50
4. Step 4: Simplify right side
   8,922.74x = 63,991,000.13
5. Step 5: Solve for x
   x = 63,991,000.13/8,922.74
6. Step 6: Final answer
   x = 7,171.68