Finding the Fourth Proportional to 10,290.05, 14,200.17 and 5,574.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,290.05 : 14,200.17 = 5,574.33 : x
2. Step 2: Convert to fraction form
   10,290.05/14,200.17 = 5,574.33/x
3. Step 3: Cross multiply
   10,290.05x = 14,200.17 × 5,574.33
4. Step 4: Simplify right side
   10,290.05x = 79,156,412.07
5. Step 5: Solve for x
   x = 79,156,412.07/10,290.05
6. Step 6: Final answer
   x = 7,692.52