Finding the Fourth Proportional to 55,110.72, 82,672.16 and 17,661.92

Step by Step Solution

1. Step 1: Write the proportion equation
   55,110.72 : 82,672.16 = 17,661.92 : x
2. Step 2: Convert to fraction form
   55,110.72/82,672.16 = 17,661.92/x
3. Step 3: Cross multiply
   55,110.72x = 82,672.16 × 17,661.92
4. Step 4: Simplify right side
   55,110.72x = 1,460,149,076.15
5. Step 5: Solve for x
   x = 1,460,149,076.15/55,110.72
6. Step 6: Final answer
   x = 26,494.83