Finding the Fourth Proportional to 8,962.59, 12,365.05 and 5,424.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,962.59 : 12,365.05 = 5,424.51 : x
2. Step 2: Convert to fraction form
   8,962.59/12,365.05 = 5,424.51/x
3. Step 3: Cross multiply
   8,962.59x = 12,365.05 × 5,424.51
4. Step 4: Simplify right side
   8,962.59x = 67,074,337.38
5. Step 5: Solve for x
   x = 67,074,337.38/8,962.59
6. Step 6: Final answer
   x = 7,483.81