Finding the Fourth Proportional to 12,667.72, 17,483.05 and 7,361.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.72 : 17,483.05 = 7,361.51 : x
2. Step 2: Convert to fraction form
   12,667.72/17,483.05 = 7,361.51/x
3. Step 3: Cross multiply
   12,667.72x = 17,483.05 × 7,361.51
4. Step 4: Simplify right side
   12,667.72x = 128,701,628.72
5. Step 5: Solve for x
   x = 128,701,628.72/12,667.72
6. Step 6: Final answer
   x = 10,159.81