Finding the Fourth Proportional to 8,426.50, 12,634.89 and 3,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,426.50 : 12,634.89 = 3,746.50 : x
2. Step 2: Convert to fraction form
   8,426.50/12,634.89 = 3,746.50/x
3. Step 3: Cross multiply
   8,426.50x = 12,634.89 × 3,746.50
4. Step 4: Simplify right side
   8,426.50x = 47,336,615.39
5. Step 5: Solve for x
   x = 47,336,615.39/8,426.50
6. Step 6: Final answer
   x = 5,617.59