Finding the Fourth Proportional to 7,288.34, 10,931.33 and 2,607.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,288.34 : 10,931.33 = 2,607.48 : x
2. Step 2: Convert to fraction form
   7,288.34/10,931.33 = 2,607.48/x
3. Step 3: Cross multiply
   7,288.34x = 10,931.33 × 2,607.48
4. Step 4: Simplify right side
   7,288.34x = 28,503,169.69
5. Step 5: Solve for x
   x = 28,503,169.69/7,288.34
6. Step 6: Final answer
   x = 3,910.79