Finding the Fourth Proportional to 5,556.96, 7,670.16 and 5,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,556.96 : 7,670.16 = 5,472.72 : x
2. Step 2: Convert to fraction form
   5,556.96/7,670.16 = 5,472.72/x
3. Step 3: Cross multiply
   5,556.96x = 7,670.16 × 5,472.72
4. Step 4: Simplify right side
   5,556.96x = 41,976,638.04
5. Step 5: Solve for x
   x = 41,976,638.04/5,556.96
6. Step 6: Final answer
   x = 7,553.89