Finding the Fourth Proportional to 2,393.33, 3,302.93 and 1,398.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.33 : 3,302.93 = 1,398.56 : x
2. Step 2: Convert to fraction form
   2,393.33/3,302.93 = 1,398.56/x
3. Step 3: Cross multiply
   2,393.33x = 3,302.93 × 1,398.56
4. Step 4: Simplify right side
   2,393.33x = 4,619,322.27
5. Step 5: Solve for x
   x = 4,619,322.27/2,393.33
6. Step 6: Final answer
   x = 1,930.09