Finding the Fourth Proportional to 8,404.74, 12,602.72 and 2,480.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.74 : 12,602.72 = 2,480.84 : x
2. Step 2: Convert to fraction form
   8,404.74/12,602.72 = 2,480.84/x
3. Step 3: Cross multiply
   8,404.74x = 12,602.72 × 2,480.84
4. Step 4: Simplify right side
   8,404.74x = 31,265,331.88
5. Step 5: Solve for x
   x = 31,265,331.88/8,404.74
6. Step 6: Final answer
   x = 3,719.96