Finding the Fourth Proportional to 7,051.32, 9,719.64 and 5,556.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,051.32 : 9,719.64 = 5,556.96 : x
2. Step 2: Convert to fraction form
   7,051.32/9,719.64 = 5,556.96/x
3. Step 3: Cross multiply
   7,051.32x = 9,719.64 × 5,556.96
4. Step 4: Simplify right side
   7,051.32x = 54,011,650.69
5. Step 5: Solve for x
   x = 54,011,650.69/7,051.32
6. Step 6: Final answer
   x = 7,659.79