Finding the Fourth Proportional to 2,870.78, 3,962.21 and 1,752.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.78 : 3,962.21 = 1,752.71 : x
2. Step 2: Convert to fraction form
   2,870.78/3,962.21 = 1,752.71/x
3. Step 3: Cross multiply
   2,870.78x = 3,962.21 × 1,752.71
4. Step 4: Simplify right side
   2,870.78x = 6,944,576.51
5. Step 5: Solve for x
   x = 6,944,576.51/2,870.78
6. Step 6: Final answer
   x = 2,419.06