Finding the Fourth Proportional to 7,937.20, 10,949.68 and 5,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,937.20 : 10,949.68 = 5,580.72 : x
2. Step 2: Convert to fraction form
   7,937.20/10,949.68 = 5,580.72/x
3. Step 3: Cross multiply
   7,937.20x = 10,949.68 × 5,580.72
4. Step 4: Simplify right side
   7,937.20x = 61,107,098.17
5. Step 5: Solve for x
   x = 61,107,098.17/7,937.20
6. Step 6: Final answer
   x = 7,698.82