Finding the Fourth Proportional to 7,499.70, 10,337.25 and 5,317.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.70 : 10,337.25 = 5,317.60 : x
2. Step 2: Convert to fraction form
   7,499.70/10,337.25 = 5,317.60/x
3. Step 3: Cross multiply
   7,499.70x = 10,337.25 × 5,317.60
4. Step 4: Simplify right side
   7,499.70x = 54,969,329.21
5. Step 5: Solve for x
   x = 54,969,329.21/7,499.70
6. Step 6: Final answer
   x = 7,329.54