Finding the Fourth Proportional to 5,112.22, 7,054.82 and 2,874.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,112.22 : 7,054.82 = 2,874.10 : x
2. Step 2: Convert to fraction form
   5,112.22/7,054.82 = 2,874.10/x
3. Step 3: Cross multiply
   5,112.22x = 7,054.82 × 2,874.10
4. Step 4: Simplify right side
   5,112.22x = 20,276,230.07
5. Step 5: Solve for x
   x = 20,276,230.07/5,112.22
6. Step 6: Final answer
   x = 3,966.23