Finding the Fourth Proportional to 3,543.58, 5,316.12 and 1,078.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543.58 : 5,316.12 = 1,078.59 : x
2. Step 2: Convert to fraction form
   3,543.58/5,316.12 = 1,078.59/x
3. Step 3: Cross multiply
   3,543.58x = 5,316.12 × 1,078.59
4. Step 4: Simplify right side
   3,543.58x = 5,733,913.87
5. Step 5: Solve for x
   x = 5,733,913.87/3,543.58
6. Step 6: Final answer
   x = 1,618.12