Finding the Fourth Proportional to 5,233.58, 7,222.40 and 2,875.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,233.58 : 7,222.40 = 2,875.72 : x
2. Step 2: Convert to fraction form
   5,233.58/7,222.40 = 2,875.72/x
3. Step 3: Cross multiply
   5,233.58x = 7,222.40 × 2,875.72
4. Step 4: Simplify right side
   5,233.58x = 20,769,567.69
5. Step 5: Solve for x
   x = 20,769,567.69/5,233.58
6. Step 6: Final answer
   x = 3,968.52