Finding the Fourth Proportional to 1,739.82, 2,396.61 and 1,407.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,739.82 : 2,396.61 = 1,407.32 : x
2. Step 2: Convert to fraction form
   1,739.82/2,396.61 = 1,407.32/x
3. Step 3: Cross multiply
   1,739.82x = 2,396.61 × 1,407.32
4. Step 4: Simplify right side
   1,739.82x = 3,372,785.20
5. Step 5: Solve for x
   x = 3,372,785.20/1,739.82
6. Step 6: Final answer
   x = 1,938.58