Finding the Fourth Proportional to 5,554.71, 7,666.43 and 3,196.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,554.71 : 7,666.43 = 3,196.35 : x
2. Step 2: Convert to fraction form
   5,554.71/7,666.43 = 3,196.35/x
3. Step 3: Cross multiply
   5,554.71x = 7,666.43 × 3,196.35
4. Step 4: Simplify right side
   5,554.71x = 24,504,577.55
5. Step 5: Solve for x
   x = 24,504,577.55/5,554.71
6. Step 6: Final answer
   x = 4,411.50