Finding the Fourth Proportional to 8,494.96, 12,742.59 and 2,948.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,494.96 : 12,742.59 = 2,948.47 : x
2. Step 2: Convert to fraction form
   8,494.96/12,742.59 = 2,948.47/x
3. Step 3: Cross multiply
   8,494.96x = 12,742.59 × 2,948.47
4. Step 4: Simplify right side
   8,494.96x = 37,571,144.34
5. Step 5: Solve for x
   x = 37,571,144.34/8,494.96
6. Step 6: Final answer
   x = 4,422.76