Finding the Fourth Proportional to 11,556.96, 17,301.42 and 7,160.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,556.96 : 17,301.42 = 7,160.28 : x
2. Step 2: Convert to fraction form
   11,556.96/17,301.42 = 7,160.28/x
3. Step 3: Cross multiply
   11,556.96x = 17,301.42 × 7,160.28
4. Step 4: Simplify right side
   11,556.96x = 123,883,011.60
5. Step 5: Solve for x
   x = 123,883,011.60/11,556.96
6. Step 6: Final answer
   x = 10,719.34