Finding the Fourth Proportional to 7,474.48, 10,315.25 and 4,118.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,474.48 : 10,315.25 = 4,118.03 : x
2. Step 2: Convert to fraction form
   7,474.48/10,315.25 = 4,118.03/x
3. Step 3: Cross multiply
   7,474.48x = 10,315.25 × 4,118.03
4. Step 4: Simplify right side
   7,474.48x = 42,478,508.96
5. Step 5: Solve for x
   x = 42,478,508.96/7,474.48
6. Step 6: Final answer
   x = 5,683.14