Finding the Fourth Proportional to 2,339.32, 3,512.22 and 1,185.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.32 : 3,512.22 = 1,185.88 : x
2. Step 2: Convert to fraction form
   2,339.32/3,512.22 = 1,185.88/x
3. Step 3: Cross multiply
   2,339.32x = 3,512.22 × 1,185.88
4. Step 4: Simplify right side
   2,339.32x = 4,165,071.45
5. Step 5: Solve for x
   x = 4,165,071.45/2,339.32
6. Step 6: Final answer
   x = 1,780.46