Finding the Fourth Proportional to 7,147.50, 9,867.87 and 4,667.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,147.50 : 9,867.87 = 4,667.82 : x
2. Step 2: Convert to fraction form
   7,147.50/9,867.87 = 4,667.82/x
3. Step 3: Cross multiply
   7,147.50x = 9,867.87 × 4,667.82
4. Step 4: Simplify right side
   7,147.50x = 46,061,440.94
5. Step 5: Solve for x
   x = 46,061,440.94/7,147.50
6. Step 6: Final answer
   x = 6,444.41