Finding the Fourth Proportional to 1,598.41, 2,397.61 and 719.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.41 : 2,397.61 = 719.89 : x
2. Step 2: Convert to fraction form
   1,598.41/2,397.61 = 719.89/x
3. Step 3: Cross multiply
   1,598.41x = 2,397.61 × 719.89
4. Step 4: Simplify right side
   1,598.41x = 1,726,004.37
5. Step 5: Solve for x
   x = 1,726,004.37/1,598.41
6. Step 6: Final answer
   x = 1,079.82