Finding the Fourth Proportional to 14,340, 21,519.72 and 5,106

Step by Step Solution

1. Step 1: Write the proportion equation
   14,340 : 21,519.72 = 5,106 : x
2. Step 2: Convert to fraction form
   14,340/21,519.72 = 5,106/x
3. Step 3: Cross multiply
   14,340x = 21,519.72 × 5,106
4. Step 4: Simplify right side
   14,340x = 109,879,690.32
5. Step 5: Solve for x
   x = 109,879,690.32/14,340
6. Step 6: Final answer
   x = 7,662.46