Finding the Fourth Proportional to 10,667.18, 15,992.42 and 6,506.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.18 : 15,992.42 = 6,506.41 : x
2. Step 2: Convert to fraction form
   10,667.18/15,992.42 = 6,506.41/x
3. Step 3: Cross multiply
   10,667.18x = 15,992.42 × 6,506.41
4. Step 4: Simplify right side
   10,667.18x = 104,053,241.41
5. Step 5: Solve for x
   x = 104,053,241.41/10,667.18
6. Step 6: Final answer
   x = 9,754.52