Finding the Fourth Proportional to 2,862.42, 4,259.34 and 2,852.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,862.42 : 4,259.34 = 2,852.70 : x
2. Step 2: Convert to fraction form
   2,862.42/4,259.34 = 2,852.70/x
3. Step 3: Cross multiply
   2,862.42x = 4,259.34 × 2,852.70
4. Step 4: Simplify right side
   2,862.42x = 12,150,619.22
5. Step 5: Solve for x
   x = 12,150,619.22/2,862.42
6. Step 6: Final answer
   x = 4,244.88