Finding the Fourth Proportional to 5,500.51, 7,591.12 and 3,143.00

Step by Step Solution

1. Step 1: Write the proportion equation
   5,500.51 : 7,591.12 = 3,143.00 : x
2. Step 2: Convert to fraction form
   5,500.51/7,591.12 = 3,143.00/x
3. Step 3: Cross multiply
   5,500.51x = 7,591.12 × 3,143.00
4. Step 4: Simplify right side
   5,500.51x = 23,858,901.28
5. Step 5: Solve for x
   x = 23,858,901.28/5,500.51
6. Step 6: Final answer
   x = 4,337.58