Finding the Fourth Proportional to 7,499.40, 10,349.64 and 4,142.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.40 : 10,349.64 = 4,142.04 : x
2. Step 2: Convert to fraction form
   7,499.40/10,349.64 = 4,142.04/x
3. Step 3: Cross multiply
   7,499.40x = 10,349.64 × 4,142.04
4. Step 4: Simplify right side
   7,499.40x = 42,868,622.87
5. Step 5: Solve for x
   x = 42,868,622.87/7,499.40
6. Step 6: Final answer
   x = 5,716.27