Finding the Fourth Proportional to 2,472.49, 3,706.47 and 1,238.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.49 : 3,706.47 = 1,238.59 : x
2. Step 2: Convert to fraction form
   2,472.49/3,706.47 = 1,238.59/x
3. Step 3: Cross multiply
   2,472.49x = 3,706.47 × 1,238.59
4. Step 4: Simplify right side
   2,472.49x = 4,590,796.68
5. Step 5: Solve for x
   x = 4,590,796.68/2,472.49
6. Step 6: Final answer
   x = 1,856.75