Finding the Fourth Proportional to 7,499.58, 10,349.46 and 4,142.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.58 : 10,349.46 = 4,142.53 : x
2. Step 2: Convert to fraction form
   7,499.58/10,349.46 = 4,142.53/x
3. Step 3: Cross multiply
   7,499.58x = 10,349.46 × 4,142.53
4. Step 4: Simplify right side
   7,499.58x = 42,872,948.53
5. Step 5: Solve for x
   x = 42,872,948.53/7,499.58
6. Step 6: Final answer
   x = 5,716.71