Finding the Fourth Proportional to 3,392.37, 5,087.31 and 1,170.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.37 : 5,087.31 = 1,170.58 : x
2. Step 2: Convert to fraction form
   3,392.37/5,087.31 = 1,170.58/x
3. Step 3: Cross multiply
   3,392.37x = 5,087.31 × 1,170.58
4. Step 4: Simplify right side
   3,392.37x = 5,955,103.34
5. Step 5: Solve for x
   x = 5,955,103.34/3,392.37
6. Step 6: Final answer
   x = 1,755.44