Finding the Fourth Proportional to 2,171.43, 2,995.56 and 1,384.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.43 : 2,995.56 = 1,384.98 : x
2. Step 2: Convert to fraction form
   2,171.43/2,995.56 = 1,384.98/x
3. Step 3: Cross multiply
   2,171.43x = 2,995.56 × 1,384.98
4. Step 4: Simplify right side
   2,171.43x = 4,148,790.69
5. Step 5: Solve for x
   x = 4,148,790.69/2,171.43
6. Step 6: Final answer
   x = 1,910.63