Finding the Fourth Proportional to 7,505.62, 10,357.72 and 4,148.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,505.62 : 10,357.72 = 4,148.42 : x
2. Step 2: Convert to fraction form
   7,505.62/10,357.72 = 4,148.42/x
3. Step 3: Cross multiply
   7,505.62x = 10,357.72 × 4,148.42
4. Step 4: Simplify right side
   7,505.62x = 42,968,172.80
5. Step 5: Solve for x
   x = 42,968,172.80/7,505.62
6. Step 6: Final answer
   x = 5,724.80