Finding the Fourth Proportional to 5,543.06, 8,309.72 and 2,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,543.06 : 8,309.72 = 2,079.50 : x
2. Step 2: Convert to fraction form
   5,543.06/8,309.72 = 2,079.50/x
3. Step 3: Cross multiply
   5,543.06x = 8,309.72 × 2,079.50
4. Step 4: Simplify right side
   5,543.06x = 17,280,026.39
5. Step 5: Solve for x
   x = 17,280,026.39/5,543.06
6. Step 6: Final answer
   x = 3,117.42