Finding the Fourth Proportional to 5,543.63, 8,271.83 and 5,355.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,543.63 : 8,271.83 = 5,355.71 : x
2. Step 2: Convert to fraction form
   5,543.63/8,271.83 = 5,355.71/x
3. Step 3: Cross multiply
   5,543.63x = 8,271.83 × 5,355.71
4. Step 4: Simplify right side
   5,543.63x = 44,301,522.65
5. Step 5: Solve for x
   x = 44,301,522.65/5,543.63
6. Step 6: Final answer
   x = 7,991.43