Finding the Fourth Proportional to 2,329.84, 3,493.42 and 1,393.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329.84 : 3,493.42 = 1,393.72 : x
2. Step 2: Convert to fraction form
   2,329.84/3,493.42 = 1,393.72/x
3. Step 3: Cross multiply
   2,329.84x = 3,493.42 × 1,393.72
4. Step 4: Simplify right side
   2,329.84x = 4,868,849.32
5. Step 5: Solve for x
   x = 4,868,849.32/2,329.84
6. Step 6: Final answer
   x = 2,089.78