Finding the Fourth Proportional to 1,596.61, 2,395.59 and 672.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,596.61 : 2,395.59 = 672.37 : x
2. Step 2: Convert to fraction form
   1,596.61/2,395.59 = 672.37/x
3. Step 3: Cross multiply
   1,596.61x = 2,395.59 × 672.37
4. Step 4: Simplify right side
   1,596.61x = 1,610,716.86
5. Step 5: Solve for x
   x = 1,610,716.86/1,596.61
6. Step 6: Final answer
   x = 1,008.84