Finding the Fourth Proportional to 10,290.26, 14,200.61 and 5,574.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,290.26 : 14,200.61 = 5,574.54 : x
2. Step 2: Convert to fraction form
   10,290.26/14,200.61 = 5,574.54/x
3. Step 3: Cross multiply
   10,290.26x = 14,200.61 × 5,574.54
4. Step 4: Simplify right side
   10,290.26x = 79,161,840.60
5. Step 5: Solve for x
   x = 79,161,840.60/10,290.26
6. Step 6: Final answer
   x = 7,692.89