Finding the Fourth Proportional to 8,922.50, 12,314.40 and 5,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,922.50 : 12,314.40 = 5,196.50 : x
2. Step 2: Convert to fraction form
   8,922.50/12,314.40 = 5,196.50/x
3. Step 3: Cross multiply
   8,922.50x = 12,314.40 × 5,196.50
4. Step 4: Simplify right side
   8,922.50x = 63,991,779.60
5. Step 5: Solve for x
   x = 63,991,779.60/8,922.50
6. Step 6: Final answer
   x = 7,171.96