Finding the Fourth Proportional to 7,419.10, 10,367.30 and 7,419.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,419.10 : 10,367.30 = 7,419.10 : x
2. Step 2: Convert to fraction form
   7,419.10/10,367.30 = 7,419.10/x
3. Step 3: Cross multiply
   7,419.10x = 10,367.30 × 7,419.10
4. Step 4: Simplify right side
   7,419.10x = 76,916,035.43
5. Step 5: Solve for x
   x = 76,916,035.43/7,419.10
6. Step 6: Final answer
   x = 10,367.30