Finding the Fourth Proportional to 3,994.38, 5,512.86 and 2,422.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994.38 : 5,512.86 = 2,422.98 : x
2. Step 2: Convert to fraction form
   3,994.38/5,512.86 = 2,422.98/x
3. Step 3: Cross multiply
   3,994.38x = 5,512.86 × 2,422.98
4. Step 4: Simplify right side
   3,994.38x = 13,357,549.52
5. Step 5: Solve for x
   x = 13,357,549.52/3,994.38
6. Step 6: Final answer
   x = 3,344.09