Finding the Fourth Proportional to 2,076.84, 3,107.16 and 1,425.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.84 : 3,107.16 = 1,425.60 : x
2. Step 2: Convert to fraction form
   2,076.84/3,107.16 = 1,425.60/x
3. Step 3: Cross multiply
   2,076.84x = 3,107.16 × 1,425.60
4. Step 4: Simplify right side
   2,076.84x = 4,429,567.30
5. Step 5: Solve for x
   x = 4,429,567.30/2,076.84
6. Step 6: Final answer
   x = 2,132.84