Finding the Fourth Proportional to 5,100.37, 7,643.37 and 4,055.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.37 : 7,643.37 = 4,055.73 : x
2. Step 2: Convert to fraction form
   5,100.37/7,643.37 = 4,055.73/x
3. Step 3: Cross multiply
   5,100.37x = 7,643.37 × 4,055.73
4. Step 4: Simplify right side
   5,100.37x = 30,999,469.77
5. Step 5: Solve for x
   x = 30,999,469.77/5,100.37
6. Step 6: Final answer
   x = 6,077.89