Finding the Fourth Proportional to 5,424.62, 7,485.86 and 3,066.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,424.62 : 7,485.86 = 3,066.71 : x
2. Step 2: Convert to fraction form
   5,424.62/7,485.86 = 3,066.71/x
3. Step 3: Cross multiply
   5,424.62x = 7,485.86 × 3,066.71
4. Step 4: Simplify right side
   5,424.62x = 22,956,908.96
5. Step 5: Solve for x
   x = 22,956,908.96/5,424.62
6. Step 6: Final answer
   x = 4,231.99