Finding the Fourth Proportional to 10,722.96, 16,081.56 and 2,929.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,722.96 : 16,081.56 = 2,929.95 : x
2. Step 2: Convert to fraction form
   10,722.96/16,081.56 = 2,929.95/x
3. Step 3: Cross multiply
   10,722.96x = 16,081.56 × 2,929.95
4. Step 4: Simplify right side
   10,722.96x = 47,118,166.72
5. Step 5: Solve for x
   x = 47,118,166.72/10,722.96
6. Step 6: Final answer
   x = 4,394.14