Finding the Fourth Proportional to 2,778.86, 4,144.72 and 2,342.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,778.86 : 4,144.72 = 2,342.99 : x
2. Step 2: Convert to fraction form
   2,778.86/4,144.72 = 2,342.99/x
3. Step 3: Cross multiply
   2,778.86x = 4,144.72 × 2,342.99
4. Step 4: Simplify right side
   2,778.86x = 9,711,037.51
5. Step 5: Solve for x
   x = 9,711,037.51/2,778.86
6. Step 6: Final answer
   x = 3,494.61