Finding the Fourth Proportional to 2,861.82, 4,292.37 and 1,012.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,861.82 : 4,292.37 = 1,012.41 : x
2. Step 2: Convert to fraction form
   2,861.82/4,292.37 = 1,012.41/x
3. Step 3: Cross multiply
   2,861.82x = 4,292.37 × 1,012.41
4. Step 4: Simplify right side
   2,861.82x = 4,345,638.31
5. Step 5: Solve for x
   x = 4,345,638.31/2,861.82
6. Step 6: Final answer
   x = 1,518.49