Finding the Fourth Proportional to 3,498.74, 4,823.78 and 2,866.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.74 : 4,823.78 = 2,866.94 : x
2. Step 2: Convert to fraction form
   3,498.74/4,823.78 = 2,866.94/x
3. Step 3: Cross multiply
   3,498.74x = 4,823.78 × 2,866.94
4. Step 4: Simplify right side
   3,498.74x = 13,829,487.83
5. Step 5: Solve for x
   x = 13,829,487.83/3,498.74
6. Step 6: Final answer
   x = 3,952.71