Finding the Fourth Proportional to 5,112.34, 7,055.00 and 2,874.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,112.34 : 7,055.00 = 2,874.22 : x
2. Step 2: Convert to fraction form
   5,112.34/7,055.00 = 2,874.22/x
3. Step 3: Cross multiply
   5,112.34x = 7,055.00 × 2,874.22
4. Step 4: Simplify right side
   5,112.34x = 20,277,607.73
5. Step 5: Solve for x
   x = 20,277,607.73/5,112.34
6. Step 6: Final answer
   x = 3,966.40