Finding the Fourth Proportional to 7,037.18, 10,559.42 and 5,105.33

Step by Step Solution

1. Step 1: Write the proportion equation
   7,037.18 : 10,559.42 = 5,105.33 : x
2. Step 2: Convert to fraction form
   7,037.18/10,559.42 = 5,105.33/x
3. Step 3: Cross multiply
   7,037.18x = 10,559.42 × 5,105.33
4. Step 4: Simplify right side
   7,037.18x = 53,909,298.18
5. Step 5: Solve for x
   x = 53,909,298.18/7,037.18
6. Step 6: Final answer
   x = 7,660.64