Finding the Fourth Proportional to 5,141.27, 7,721.33 and 4,707.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,141.27 : 7,721.33 = 4,707.52 : x
2. Step 2: Convert to fraction form
   5,141.27/7,721.33 = 4,707.52/x
3. Step 3: Cross multiply
   5,141.27x = 7,721.33 × 4,707.52
4. Step 4: Simplify right side
   5,141.27x = 36,348,272.56
5. Step 5: Solve for x
   x = 36,348,272.56/5,141.27
6. Step 6: Final answer
   x = 7,069.90