Finding the Fourth Proportional to 10,290.15, 14,200.32 and 5,574.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,290.15 : 14,200.32 = 5,574.42 : x
2. Step 2: Convert to fraction form
   10,290.15/14,200.32 = 5,574.42/x
3. Step 3: Cross multiply
   10,290.15x = 14,200.32 × 5,574.42
4. Step 4: Simplify right side
   10,290.15x = 79,158,547.81
5. Step 5: Solve for x
   x = 79,158,547.81/10,290.15
6. Step 6: Final answer
   x = 7,692.65