Finding the Fourth Proportional to 12,315.47, 16,984.83 and 10,410.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,315.47 : 16,984.83 = 10,410.51 : x
2. Step 2: Convert to fraction form
   12,315.47/16,984.83 = 10,410.51/x
3. Step 3: Cross multiply
   12,315.47x = 16,984.83 × 10,410.51
4. Step 4: Simplify right side
   12,315.47x = 176,820,742.56
5. Step 5: Solve for x
   x = 176,820,742.56/12,315.47
6. Step 6: Final answer
   x = 14,357.62