Finding the Fourth Proportional to 5,116.24, 7,061.34 and 3,127.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,116.24 : 7,061.34 = 3,127.96 : x
2. Step 2: Convert to fraction form
   5,116.24/7,061.34 = 3,127.96/x
3. Step 3: Cross multiply
   5,116.24x = 7,061.34 × 3,127.96
4. Step 4: Simplify right side
   5,116.24x = 22,087,589.07
5. Step 5: Solve for x
   x = 22,087,589.07/5,116.24
6. Step 6: Final answer
   x = 4,317.15