Finding the Fourth Proportional to 7,103.18, 10,646.12 and 5,023.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,103.18 : 10,646.12 = 5,023.78 : x
2. Step 2: Convert to fraction form
   7,103.18/10,646.12 = 5,023.78/x
3. Step 3: Cross multiply
   7,103.18x = 10,646.12 × 5,023.78
4. Step 4: Simplify right side
   7,103.18x = 53,483,743.15
5. Step 5: Solve for x
   x = 53,483,743.15/7,103.18
6. Step 6: Final answer
   x = 7,529.55