Finding the Fourth Proportional to 10,690.19, 16,038.53 and 5,141.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,690.19 : 16,038.53 = 5,141.96 : x
2. Step 2: Convert to fraction form
   10,690.19/16,038.53 = 5,141.96/x
3. Step 3: Cross multiply
   10,690.19x = 16,038.53 × 5,141.96
4. Step 4: Simplify right side
   10,690.19x = 82,469,479.72
5. Step 5: Solve for x
   x = 82,469,479.72/10,690.19
6. Step 6: Final answer
   x = 7,714.50