Finding the Fourth Proportional to 1,760.01, 2,638.82 and 719.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.01 : 2,638.82 = 719.71 : x
2. Step 2: Convert to fraction form
   1,760.01/2,638.82 = 719.71/x
3. Step 3: Cross multiply
   1,760.01x = 2,638.82 × 719.71
4. Step 4: Simplify right side
   1,760.01x = 1,899,171.95
5. Step 5: Solve for x
   x = 1,899,171.95/1,760.01
6. Step 6: Final answer
   x = 1,079.07