Finding the Fourth Proportional to 5,112.86, 7,055.33 and 2,874.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,112.86 : 7,055.33 = 2,874.98 : x
2. Step 2: Convert to fraction form
   5,112.86/7,055.33 = 2,874.98/x
3. Step 3: Cross multiply
   5,112.86x = 7,055.33 × 2,874.98
4. Step 4: Simplify right side
   5,112.86x = 20,283,935.91
5. Step 5: Solve for x
   x = 20,283,935.91/5,112.86
6. Step 6: Final answer
   x = 3,967.24