Finding the Fourth Proportional to 9,288.37, 13,928.56 and 5,773.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,288.37 : 13,928.56 = 5,773.11 : x
2. Step 2: Convert to fraction form
   9,288.37/13,928.56 = 5,773.11/x
3. Step 3: Cross multiply
   9,288.37x = 13,928.56 × 5,773.11
4. Step 4: Simplify right side
   9,288.37x = 80,411,109.02
5. Step 5: Solve for x
   x = 80,411,109.02/9,288.37
6. Step 6: Final answer
   x = 8,657.18