Finding the Fourth Proportional to 7,011.18, 10,522.89 and 2,853.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,011.18 : 10,522.89 = 2,853.45 : x
2. Step 2: Convert to fraction form
   7,011.18/10,522.89 = 2,853.45/x
3. Step 3: Cross multiply
   7,011.18x = 10,522.89 × 2,853.45
4. Step 4: Simplify right side
   7,011.18x = 30,026,540.47
5. Step 5: Solve for x
   x = 30,026,540.47/7,011.18
6. Step 6: Final answer
   x = 4,282.67