Finding the Fourth Proportional to 5,553.72, 7,668.56 and 3,432.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,553.72 : 7,668.56 = 3,432.34 : x
2. Step 2: Convert to fraction form
   5,553.72/7,668.56 = 3,432.34/x
3. Step 3: Cross multiply
   5,553.72x = 7,668.56 × 3,432.34
4. Step 4: Simplify right side
   5,553.72x = 26,321,105.23
5. Step 5: Solve for x
   x = 26,321,105.23/5,553.72
6. Step 6: Final answer
   x = 4,739.36