Finding the Fourth Proportional to 1,357.89, 2,039.56 and 1,164.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.89 : 2,039.56 = 1,164.46 : x
2. Step 2: Convert to fraction form
   1,357.89/2,039.56 = 1,164.46/x
3. Step 3: Cross multiply
   1,357.89x = 2,039.56 × 1,164.46
4. Step 4: Simplify right side
   1,357.89x = 2,374,986.04
5. Step 5: Solve for x
   x = 2,374,986.04/1,357.89
6. Step 6: Final answer
   x = 1,749.03