Finding the Fourth Proportional to 7,555.37, 10,426.28 and 4,198.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,555.37 : 10,426.28 = 4,198.10 : x
2. Step 2: Convert to fraction form
   7,555.37/10,426.28 = 4,198.10/x
3. Step 3: Cross multiply
   7,555.37x = 10,426.28 × 4,198.10
4. Step 4: Simplify right side
   7,555.37x = 43,770,492.95
5. Step 5: Solve for x
   x = 43,770,492.95/7,555.37
6. Step 6: Final answer
   x = 5,793.30