Finding the Fourth Proportional to 2,472.96, 3,709.94 and 1,012.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.96 : 3,709.94 = 1,012.23 : x
2. Step 2: Convert to fraction form
   2,472.96/3,709.94 = 1,012.23/x
3. Step 3: Cross multiply
   2,472.96x = 3,709.94 × 1,012.23
4. Step 4: Simplify right side
   2,472.96x = 3,755,312.57
5. Step 5: Solve for x
   x = 3,755,312.57/2,472.96
6. Step 6: Final answer
   x = 1,518.55