Finding the Fourth Proportional to 55,269.72, 82,920.78 and 17,829.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,269.72 : 82,920.78 = 17,829.09 : x
2. Step 2: Convert to fraction form
   55,269.72/82,920.78 = 17,829.09/x
3. Step 3: Cross multiply
   55,269.72x = 82,920.78 × 17,829.09
4. Step 4: Simplify right side
   55,269.72x = 1,478,402,049.49
5. Step 5: Solve for x
   x = 1,478,402,049.49/55,269.72
6. Step 6: Final answer
   x = 26,748.86