Finding the Fourth Proportional to 5,407.72, 7,456.96 and 4,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,407.72 : 7,456.96 = 4,271.50 : x
2. Step 2: Convert to fraction form
   5,407.72/7,456.96 = 4,271.50/x
3. Step 3: Cross multiply
   5,407.72x = 7,456.96 × 4,271.50
4. Step 4: Simplify right side
   5,407.72x = 31,852,419.30
5. Step 5: Solve for x
   x = 31,852,419.30/5,407.72
6. Step 6: Final answer
   x = 5,890.18