Finding the Fourth Proportional to 7,014.90, 10,525.98 and 2,857.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,014.90 : 10,525.98 = 2,857.98 : x
2. Step 2: Convert to fraction form
   7,014.90/10,525.98 = 2,857.98/x
3. Step 3: Cross multiply
   7,014.90x = 10,525.98 × 2,857.98
4. Step 4: Simplify right side
   7,014.90x = 30,083,040.32
5. Step 5: Solve for x
   x = 30,083,040.32/7,014.90
6. Step 6: Final answer
   x = 4,288.45