Finding the Fourth Proportional to 7,419.30, 10,238.70 and 4,062.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,419.30 : 10,238.70 = 4,062.18 : x
2. Step 2: Convert to fraction form
   7,419.30/10,238.70 = 4,062.18/x
3. Step 3: Cross multiply
   7,419.30x = 10,238.70 × 4,062.18
4. Step 4: Simplify right side
   7,419.30x = 41,591,442.37
5. Step 5: Solve for x
   x = 41,591,442.37/7,419.30
6. Step 6: Final answer
   x = 5,605.84