Finding the Fourth Proportional to 9,612.84, 14,421.42 and 3,039.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,612.84 : 14,421.42 = 3,039.42 : x
2. Step 2: Convert to fraction form
   9,612.84/14,421.42 = 3,039.42/x
3. Step 3: Cross multiply
   9,612.84x = 14,421.42 × 3,039.42
4. Step 4: Simplify right side
   9,612.84x = 43,832,752.38
5. Step 5: Solve for x
   x = 43,832,752.38/9,612.84
6. Step 6: Final answer
   x = 4,559.81