Finding the Fourth Proportional to 12,660.82, 17,460.57 and 10,543.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,660.82 : 17,460.57 = 10,543.35 : x
2. Step 2: Convert to fraction form
   12,660.82/17,460.57 = 10,543.35/x
3. Step 3: Cross multiply
   12,660.82x = 17,460.57 × 10,543.35
4. Step 4: Simplify right side
   12,660.82x = 184,093,005.72
5. Step 5: Solve for x
   x = 184,093,005.72/12,660.82
6. Step 6: Final answer
   x = 14,540.37