Finding the Fourth Proportional to 2,159.41, 2,980.43 and 1,411.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159.41 : 2,980.43 = 1,411.98 : x
2. Step 2: Convert to fraction form
   2,159.41/2,980.43 = 1,411.98/x
3. Step 3: Cross multiply
   2,159.41x = 2,980.43 × 1,411.98
4. Step 4: Simplify right side
   2,159.41x = 4,208,285.59
5. Step 5: Solve for x
   x = 4,208,285.59/2,159.41
6. Step 6: Final answer
   x = 1,948.82