Finding the Fourth Proportional to 12,714.50, 17,550.78 and 7,410.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.50 : 17,550.78 = 7,410.98 : x
2. Step 2: Convert to fraction form
   12,714.50/17,550.78 = 7,410.98/x
3. Step 3: Cross multiply
   12,714.50x = 17,550.78 × 7,410.98
4. Step 4: Simplify right side
   12,714.50x = 130,068,479.56
5. Step 5: Solve for x
   x = 130,068,479.56/12,714.50
6. Step 6: Final answer
   x = 10,229.93