Finding the Fourth Proportional to 2,378.63, 3,566.72 and 1,393.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378.63 : 3,566.72 = 1,393.38 : x
2. Step 2: Convert to fraction form
   2,378.63/3,566.72 = 1,393.38/x
3. Step 3: Cross multiply
   2,378.63x = 3,566.72 × 1,393.38
4. Step 4: Simplify right side
   2,378.63x = 4,969,789.35
5. Step 5: Solve for x
   x = 4,969,789.35/2,378.63
6. Step 6: Final answer
   x = 2,089.35