Finding the Fourth Proportional to 8,401.63, 12,604.32 and 2,558.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.63 : 12,604.32 = 2,558.69 : x
2. Step 2: Convert to fraction form
   8,401.63/12,604.32 = 2,558.69/x
3. Step 3: Cross multiply
   8,401.63x = 12,604.32 × 2,558.69
4. Step 4: Simplify right side
   8,401.63x = 32,250,547.54
5. Step 5: Solve for x
   x = 32,250,547.54/8,401.63
6. Step 6: Final answer
   x = 3,838.61