Finding the Fourth Proportional to 10,958.81, 16,433.89 and 4,719.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,958.81 : 16,433.89 = 4,719.29 : x
2. Step 2: Convert to fraction form
   10,958.81/16,433.89 = 4,719.29/x
3. Step 3: Cross multiply
   10,958.81x = 16,433.89 × 4,719.29
4. Step 4: Simplify right side
   10,958.81x = 77,556,292.74
5. Step 5: Solve for x
   x = 77,556,292.74/10,958.81
6. Step 6: Final answer
   x = 7,077.07