Finding the Fourth Proportional to 8,419.04, 12,620.50 and 3,152.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,419.04 : 12,620.50 = 3,152.62 : x
2. Step 2: Convert to fraction form
   8,419.04/12,620.50 = 3,152.62/x
3. Step 3: Cross multiply
   8,419.04x = 12,620.50 × 3,152.62
4. Step 4: Simplify right side
   8,419.04x = 39,787,640.71
5. Step 5: Solve for x
   x = 39,787,640.71/8,419.04
6. Step 6: Final answer
   x = 4,725.91