Finding the Fourth Proportional to 11,160, 16,745.76 and 5,688

Step by Step Solution

1. Step 1: Write the proportion equation
   11,160 : 16,745.76 = 5,688 : x
2. Step 2: Convert to fraction form
   11,160/16,745.76 = 5,688/x
3. Step 3: Cross multiply
   11,160x = 16,745.76 × 5,688
4. Step 4: Simplify right side
   11,160x = 95,249,882.88
5. Step 5: Solve for x
   x = 95,249,882.88/11,160
6. Step 6: Final answer
   x = 8,534.94