Finding the Fourth Proportional to 3,932.48, 5,894.88 and 2,390.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.48 : 5,894.88 = 2,390.72 : x
2. Step 2: Convert to fraction form
   3,932.48/5,894.88 = 2,390.72/x
3. Step 3: Cross multiply
   3,932.48x = 5,894.88 × 2,390.72
4. Step 4: Simplify right side
   3,932.48x = 14,093,007.51
5. Step 5: Solve for x
   x = 14,093,007.51/3,932.48
6. Step 6: Final answer
   x = 3,583.75