Finding the Fourth Proportional to 8,417.70, 12,613.59 and 3,486.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,417.70 : 12,613.59 = 3,486.42 : x
2. Step 2: Convert to fraction form
   8,417.70/12,613.59 = 3,486.42/x
3. Step 3: Cross multiply
   8,417.70x = 12,613.59 × 3,486.42
4. Step 4: Simplify right side
   8,417.70x = 43,976,272.45
5. Step 5: Solve for x
   x = 43,976,272.45/8,417.70
6. Step 6: Final answer
   x = 5,224.26