Finding the Fourth Proportional to 12,198.50, 18,300.33 and 4,702.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,198.50 : 18,300.33 = 4,702.25 : x
2. Step 2: Convert to fraction form
   12,198.50/18,300.33 = 4,702.25/x
3. Step 3: Cross multiply
   12,198.50x = 18,300.33 × 4,702.25
4. Step 4: Simplify right side
   12,198.50x = 86,052,772.49
5. Step 5: Solve for x
   x = 86,052,772.49/12,198.50
6. Step 6: Final answer
   x = 7,054.37