Finding the Fourth Proportional to 5,554.22, 7,665.50 and 3,196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,554.22 : 7,665.50 = 3,196.31 : x
2. Step 2: Convert to fraction form
   5,554.22/7,665.50 = 3,196.31/x
3. Step 3: Cross multiply
   5,554.22x = 7,665.50 × 3,196.31
4. Step 4: Simplify right side
   5,554.22x = 24,501,341.46
5. Step 5: Solve for x
   x = 24,501,341.46/5,554.22
6. Step 6: Final answer
   x = 4,411.30