Finding the Fourth Proportional to 2,159.48, 2,980.58 and 1,373.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159.48 : 2,980.58 = 1,373.37 : x
2. Step 2: Convert to fraction form
   2,159.48/2,980.58 = 1,373.37/x
3. Step 3: Cross multiply
   2,159.48x = 2,980.58 × 1,373.37
4. Step 4: Simplify right side
   2,159.48x = 4,093,439.15
5. Step 5: Solve for x
   x = 4,093,439.15/2,159.48
6. Step 6: Final answer
   x = 1,895.57