Finding the Fourth Proportional to 2,393.13, 3,590.78 and 1,222.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.13 : 3,590.78 = 1,222.53 : x
2. Step 2: Convert to fraction form
   2,393.13/3,590.78 = 1,222.53/x
3. Step 3: Cross multiply
   2,393.13x = 3,590.78 × 1,222.53
4. Step 4: Simplify right side
   2,393.13x = 4,389,836.27
5. Step 5: Solve for x
   x = 4,389,836.27/2,393.13
6. Step 6: Final answer
   x = 1,834.35