Finding the Fourth Proportional to 2,573.25, 3,857.23 and 1,012.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.25 : 3,857.23 = 1,012.62 : x
2. Step 2: Convert to fraction form
   2,573.25/3,857.23 = 1,012.62/x
3. Step 3: Cross multiply
   2,573.25x = 3,857.23 × 1,012.62
4. Step 4: Simplify right side
   2,573.25x = 3,905,903.18
5. Step 5: Solve for x
   x = 3,905,903.18/2,573.25
6. Step 6: Final answer
   x = 1,517.89