Finding the Fourth Proportional to 2,451.94, 3,392.55 and 2,137.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.94 : 3,392.55 = 2,137.86 : x
2. Step 2: Convert to fraction form
   2,451.94/3,392.55 = 2,137.86/x
3. Step 3: Cross multiply
   2,451.94x = 3,392.55 × 2,137.86
4. Step 4: Simplify right side
   2,451.94x = 7,252,796.94
5. Step 5: Solve for x
   x = 7,252,796.94/2,451.94
6. Step 6: Final answer
   x = 2,957.99