Finding the Fourth Proportional to 4,567.50, 6,300.72 and 3,072.87

Step by Step Solution

1. Step 1: Write the proportion equation
   4,567.50 : 6,300.72 = 3,072.87 : x
2. Step 2: Convert to fraction form
   4,567.50/6,300.72 = 3,072.87/x
3. Step 3: Cross multiply
   4,567.50x = 6,300.72 × 3,072.87
4. Step 4: Simplify right side
   4,567.50x = 19,361,293.47
5. Step 5: Solve for x
   x = 19,361,293.47/4,567.50
6. Step 6: Final answer
   x = 4,238.93