Finding the Fourth Proportional to 12,076.72, 18,117.92 and 3,756.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,076.72 : 18,117.92 = 3,756.32 : x
2. Step 2: Convert to fraction form
   12,076.72/18,117.92 = 3,756.32/x
3. Step 3: Cross multiply
   12,076.72x = 18,117.92 × 3,756.32
4. Step 4: Simplify right side
   12,076.72x = 68,056,705.25
5. Step 5: Solve for x
   x = 68,056,705.25/12,076.72
6. Step 6: Final answer
   x = 5,635.36