Finding the Fourth Proportional to 1,393.02, 2,085.82 and 1,150.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.02 : 2,085.82 = 1,150.62 : x
2. Step 2: Convert to fraction form
   1,393.02/2,085.82 = 1,150.62/x
3. Step 3: Cross multiply
   1,393.02x = 2,085.82 × 1,150.62
4. Step 4: Simplify right side
   1,393.02x = 2,399,986.21
5. Step 5: Solve for x
   x = 2,399,986.21/1,393.02
6. Step 6: Final answer
   x = 1,722.87