Finding the Fourth Proportional to 10,289.89, 14,200.03 and 5,574.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,289.89 : 14,200.03 = 5,574.19 : x
2. Step 2: Convert to fraction form
   10,289.89/14,200.03 = 5,574.19/x
3. Step 3: Cross multiply
   10,289.89x = 14,200.03 × 5,574.19
4. Step 4: Simplify right side
   10,289.89x = 79,153,665.23
5. Step 5: Solve for x
   x = 79,153,665.23/10,289.89
6. Step 6: Final answer
   x = 7,692.37