Finding the Fourth Proportional to 10,289.94, 14,200.18 and 5,574.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,289.94 : 14,200.18 = 5,574.22 : x
2. Step 2: Convert to fraction form
   10,289.94/14,200.18 = 5,574.22/x
3. Step 3: Cross multiply
   10,289.94x = 14,200.18 × 5,574.22
4. Step 4: Simplify right side
   10,289.94x = 79,154,877.92
5. Step 5: Solve for x
   x = 79,154,877.92/10,289.94
6. Step 6: Final answer
   x = 7,692.46