Finding the Fourth Proportional to 5,553.18, 7,665.03 and 3,196.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,553.18 : 7,665.03 = 3,196.98 : x
2. Step 2: Convert to fraction form
   5,553.18/7,665.03 = 3,196.98/x
3. Step 3: Cross multiply
   5,553.18x = 7,665.03 × 3,196.98
4. Step 4: Simplify right side
   5,553.18x = 24,504,947.61
5. Step 5: Solve for x
   x = 24,504,947.61/5,553.18
6. Step 6: Final answer
   x = 4,412.78