Finding the Fourth Proportional to 2,471.50, 3,705.31 and 1,238.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.50 : 3,705.31 = 1,238.27 : x
2. Step 2: Convert to fraction form
   2,471.50/3,705.31 = 1,238.27/x
3. Step 3: Cross multiply
   2,471.50x = 3,705.31 × 1,238.27
4. Step 4: Simplify right side
   2,471.50x = 4,588,174.21
5. Step 5: Solve for x
   x = 4,588,174.21/2,471.50
6. Step 6: Final answer
   x = 1,856.43