Finding the Fourth Proportional to 5,959.67, 8,216.52 and 5,129.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,959.67 : 8,216.52 = 5,129.29 : x
2. Step 2: Convert to fraction form
   5,959.67/8,216.52 = 5,129.29/x
3. Step 3: Cross multiply
   5,959.67x = 8,216.52 × 5,129.29
4. Step 4: Simplify right side
   5,959.67x = 42,144,872.79
5. Step 5: Solve for x
   x = 42,144,872.79/5,959.67
6. Step 6: Final answer
   x = 7,071.68