Finding the Fourth Proportional to 7,288.85, 10,930.59 and 2,607.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,288.85 : 10,930.59 = 2,607.59 : x
2. Step 2: Convert to fraction form
   7,288.85/10,930.59 = 2,607.59/x
3. Step 3: Cross multiply
   7,288.85x = 10,930.59 × 2,607.59
4. Step 4: Simplify right side
   7,288.85x = 28,502,429.49
5. Step 5: Solve for x
   x = 28,502,429.49/7,288.85
6. Step 6: Final answer
   x = 3,910.42