Finding the Fourth Proportional to 3,389.64, 5,085.71 and 1,168.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.64 : 5,085.71 = 1,168.70 : x
2. Step 2: Convert to fraction form
   3,389.64/5,085.71 = 1,168.70/x
3. Step 3: Cross multiply
   3,389.64x = 5,085.71 × 1,168.70
4. Step 4: Simplify right side
   3,389.64x = 5,943,638.00
5. Step 5: Solve for x
   x = 5,943,638.00/3,389.64
6. Step 6: Final answer
   x = 1,753.47