Finding the Fourth Proportional to 7,260.38, 10,008.58 and 5,665.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,260.38 : 10,008.58 = 5,665.22 : x
2. Step 2: Convert to fraction form
   7,260.38/10,008.58 = 5,665.22/x
3. Step 3: Cross multiply
   7,260.38x = 10,008.58 × 5,665.22
4. Step 4: Simplify right side
   7,260.38x = 56,700,807.59
5. Step 5: Solve for x
   x = 56,700,807.59/7,260.38
6. Step 6: Final answer
   x = 7,809.62