Finding the Fourth Proportional to 12,384.96, 18,576.72 and 3,619.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.96 : 18,576.72 = 3,619.68 : x
2. Step 2: Convert to fraction form
   12,384.96/18,576.72 = 3,619.68/x
3. Step 3: Cross multiply
   12,384.96x = 18,576.72 × 3,619.68
4. Step 4: Simplify right side
   12,384.96x = 67,241,781.85
5. Step 5: Solve for x
   x = 67,241,781.85/12,384.96
6. Step 6: Final answer
   x = 5,429.31