Finding the Fourth Proportional to 12,380.36, 17,066.04 and 10,484.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.36 : 17,066.04 = 10,484.96 : x
2. Step 2: Convert to fraction form
   12,380.36/17,066.04 = 10,484.96/x
3. Step 3: Cross multiply
   12,380.36x = 17,066.04 × 10,484.96
4. Step 4: Simplify right side
   12,380.36x = 178,936,746.76
5. Step 5: Solve for x
   x = 178,936,746.76/12,380.36
6. Step 6: Final answer
   x = 14,453.27