Finding the Fourth Proportional to 2,164.72, 3,247.31 and 703.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.72 : 3,247.31 = 703.53 : x
2. Step 2: Convert to fraction form
   2,164.72/3,247.31 = 703.53/x
3. Step 3: Cross multiply
   2,164.72x = 3,247.31 × 703.53
4. Step 4: Simplify right side
   2,164.72x = 2,284,588.12
5. Step 5: Solve for x
   x = 2,284,588.12/2,164.72
6. Step 6: Final answer
   x = 1,055.37