Finding the Fourth Proportional to 8,270.96, 12,404.57 and 2,428.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,270.96 : 12,404.57 = 2,428.02 : x
2. Step 2: Convert to fraction form
   8,270.96/12,404.57 = 2,428.02/x
3. Step 3: Cross multiply
   8,270.96x = 12,404.57 × 2,428.02
4. Step 4: Simplify right side
   8,270.96x = 30,118,531.91
5. Step 5: Solve for x
   x = 30,118,531.91/8,270.96
6. Step 6: Final answer
   x = 3,641.48