Finding the Fourth Proportional to 3,386.16, 5,078.52 and 1,164.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386.16 : 5,078.52 = 1,164.60 : x
2. Step 2: Convert to fraction form
   3,386.16/5,078.52 = 1,164.60/x
3. Step 3: Cross multiply
   3,386.16x = 5,078.52 × 1,164.60
4. Step 4: Simplify right side
   3,386.16x = 5,914,444.39
5. Step 5: Solve for x
   x = 5,914,444.39/3,386.16
6. Step 6: Final answer
   x = 1,746.65