Finding the Fourth Proportional to 2,201.50, 3,038.07 and 1,317.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,201.50 : 3,038.07 = 1,317.43 : x
2. Step 2: Convert to fraction form
   2,201.50/3,038.07 = 1,317.43/x
3. Step 3: Cross multiply
   2,201.50x = 3,038.07 × 1,317.43
4. Step 4: Simplify right side
   2,201.50x = 4,002,444.56
5. Step 5: Solve for x
   x = 4,002,444.56/2,201.50
6. Step 6: Final answer
   x = 1,818.05