Finding the Fourth Proportional to 2,381.91, 3,573.35 and 738.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.91 : 3,573.35 = 738.38 : x
2. Step 2: Convert to fraction form
   2,381.91/3,573.35 = 738.38/x
3. Step 3: Cross multiply
   2,381.91x = 3,573.35 × 738.38
4. Step 4: Simplify right side
   2,381.91x = 2,638,498.18
5. Step 5: Solve for x
   x = 2,638,498.18/2,381.91
6. Step 6: Final answer
   x = 1,107.73