Finding the Fourth Proportional to 3,543.34, 5,314.69 and 1,078.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543.34 : 5,314.69 = 1,078.71 : x
2. Step 2: Convert to fraction form
   3,543.34/5,314.69 = 1,078.71/x
3. Step 3: Cross multiply
   3,543.34x = 5,314.69 × 1,078.71
4. Step 4: Simplify right side
   3,543.34x = 5,733,009.25
5. Step 5: Solve for x
   x = 5,733,009.25/3,543.34
6. Step 6: Final answer
   x = 1,617.97