Finding the Fourth Proportional to 7,350.54, 10,143.24 and 4,206.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,350.54 : 10,143.24 = 4,206.72 : x
2. Step 2: Convert to fraction form
   7,350.54/10,143.24 = 4,206.72/x
3. Step 3: Cross multiply
   7,350.54x = 10,143.24 × 4,206.72
4. Step 4: Simplify right side
   7,350.54x = 42,669,770.57
5. Step 5: Solve for x
   x = 42,669,770.57/7,350.54
6. Step 6: Final answer
   x = 5,804.98