Finding the Fourth Proportional to 5,287.34, 7,932.72 and 2,000.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,287.34 : 7,932.72 = 2,000.72 : x
2. Step 2: Convert to fraction form
   5,287.34/7,932.72 = 2,000.72/x
3. Step 3: Cross multiply
   5,287.34x = 7,932.72 × 2,000.72
4. Step 4: Simplify right side
   5,287.34x = 15,871,151.56
5. Step 5: Solve for x
   x = 15,871,151.56/5,287.34
6. Step 6: Final answer
   x = 3,001.73