Finding the Fourth Proportional to 7,051.33, 9,720.43 and 5,556.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,051.33 : 9,720.43 = 5,556.27 : x
2. Step 2: Convert to fraction form
   7,051.33/9,720.43 = 5,556.27/x
3. Step 3: Cross multiply
   7,051.33x = 9,720.43 × 5,556.27
4. Step 4: Simplify right side
   7,051.33x = 54,009,333.60
5. Step 5: Solve for x
   x = 54,009,333.60/7,051.33
6. Step 6: Final answer
   x = 7,659.45