Finding the Fourth Proportional to 1,164.80, 1,744.89 and 701.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164.80 : 1,744.89 = 701.21 : x
2. Step 2: Convert to fraction form
   1,164.80/1,744.89 = 701.21/x
3. Step 3: Cross multiply
   1,164.80x = 1,744.89 × 701.21
4. Step 4: Simplify right side
   1,164.80x = 1,223,525.59
5. Step 5: Solve for x
   x = 1,223,525.59/1,164.80
6. Step 6: Final answer
   x = 1,050.42