Finding the Fourth Proportional to 11,028.04, 16,574.86 and 5,188.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,028.04 : 16,574.86 = 5,188.75 : x
2. Step 2: Convert to fraction form
   11,028.04/16,574.86 = 5,188.75/x
3. Step 3: Cross multiply
   11,028.04x = 16,574.86 × 5,188.75
4. Step 4: Simplify right side
   11,028.04x = 86,002,769.87
5. Step 5: Solve for x
   x = 86,002,769.87/11,028.04
6. Step 6: Final answer
   x = 7,798.56