Finding the Fourth Proportional to 7,012.71, 10,517.52 and 2,851.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,012.71 : 10,517.52 = 2,851.62 : x
2. Step 2: Convert to fraction form
   7,012.71/10,517.52 = 2,851.62/x
3. Step 3: Cross multiply
   7,012.71x = 10,517.52 × 2,851.62
4. Step 4: Simplify right side
   7,012.71x = 29,991,970.38
5. Step 5: Solve for x
   x = 29,991,970.38/7,012.71
6. Step 6: Final answer
   x = 4,276.80