Finding the Fourth Proportional to 2,370.18, 3,271.41 and 1,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370.18 : 3,271.41 = 1,438.50 : x
2. Step 2: Convert to fraction form
   2,370.18/3,271.41 = 1,438.50/x
3. Step 3: Cross multiply
   2,370.18x = 3,271.41 × 1,438.50
4. Step 4: Simplify right side
   2,370.18x = 4,705,923.29
5. Step 5: Solve for x
   x = 4,705,923.29/2,370.18
6. Step 6: Final answer
   x = 1,985.47