Finding the Fourth Proportional to 8,088.16, 11,154.72 and 5,574.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,088.16 : 11,154.72 = 5,574.34 : x
2. Step 2: Convert to fraction form
   8,088.16/11,154.72 = 5,574.34/x
3. Step 3: Cross multiply
   8,088.16x = 11,154.72 × 5,574.34
4. Step 4: Simplify right side
   8,088.16x = 62,180,201.88
5. Step 5: Solve for x
   x = 62,180,201.88/8,088.16
6. Step 6: Final answer
   x = 7,687.81