Finding the Fourth Proportional to 2,059.40, 3,088.42 and 672.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.40 : 3,088.42 = 672.37 : x
2. Step 2: Convert to fraction form
   2,059.40/3,088.42 = 672.37/x
3. Step 3: Cross multiply
   2,059.40x = 3,088.42 × 672.37
4. Step 4: Simplify right side
   2,059.40x = 2,076,560.96
5. Step 5: Solve for x
   x = 2,076,560.96/2,059.40
6. Step 6: Final answer
   x = 1,008.33