Finding the Fourth Proportional to 2,078.45, 2,868.71 and 1,416.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.45 : 2,868.71 = 1,416.88 : x
2. Step 2: Convert to fraction form
   2,078.45/2,868.71 = 1,416.88/x
3. Step 3: Cross multiply
   2,078.45x = 2,868.71 × 1,416.88
4. Step 4: Simplify right side
   2,078.45x = 4,064,617.82
5. Step 5: Solve for x
   x = 4,064,617.82/2,078.45
6. Step 6: Final answer
   x = 1,955.60