Finding the Fourth Proportional to 2,740.86, 3,783.06 and 2,298.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.86 : 3,783.06 = 2,298.06 : x
2. Step 2: Convert to fraction form
   2,740.86/3,783.06 = 2,298.06/x
3. Step 3: Cross multiply
   2,740.86x = 3,783.06 × 2,298.06
4. Step 4: Simplify right side
   2,740.86x = 8,693,698.86
5. Step 5: Solve for x
   x = 8,693,698.86/2,740.86
6. Step 6: Final answer
   x = 3,171.89