Finding the Fourth Proportional to 8,422.76, 12,631.98 and 2,498.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,422.76 : 12,631.98 = 2,498.27 : x
2. Step 2: Convert to fraction form
   8,422.76/12,631.98 = 2,498.27/x
3. Step 3: Cross multiply
   8,422.76x = 12,631.98 × 2,498.27
4. Step 4: Simplify right side
   8,422.76x = 31,558,033.51
5. Step 5: Solve for x
   x = 31,558,033.51/8,422.76
6. Step 6: Final answer
   x = 3,746.76