Finding the Fourth Proportional to 7,499.38, 10,349.08 and 4,142.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.38 : 10,349.08 = 4,142.15 : x
2. Step 2: Convert to fraction form
   7,499.38/10,349.08 = 4,142.15/x
3. Step 3: Cross multiply
   7,499.38x = 10,349.08 × 4,142.15
4. Step 4: Simplify right side
   7,499.38x = 42,867,441.72
5. Step 5: Solve for x
   x = 42,867,441.72/7,499.38
6. Step 6: Final answer
   x = 5,716.13