Finding the Fourth Proportional to 9,288.07, 12,811.47 and 5,508.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,288.07 : 12,811.47 = 5,508.41 : x
2. Step 2: Convert to fraction form
   9,288.07/12,811.47 = 5,508.41/x
3. Step 3: Cross multiply
   9,288.07x = 12,811.47 × 5,508.41
4. Step 4: Simplify right side
   9,288.07x = 70,570,744.75
5. Step 5: Solve for x
   x = 70,570,744.75/9,288.07
6. Step 6: Final answer
   x = 7,598.00