Finding the Fourth Proportional to 55,564.82, 83,354.55 and 18,111.77

Step by Step Solution

1. Step 1: Write the proportion equation
   55,564.82 : 83,354.55 = 18,111.77 : x
2. Step 2: Convert to fraction form
   55,564.82/83,354.55 = 18,111.77/x
3. Step 3: Cross multiply
   55,564.82x = 83,354.55 × 18,111.77
4. Step 4: Simplify right side
   55,564.82x = 1,509,697,930.72
5. Step 5: Solve for x
   x = 1,509,697,930.72/55,564.82
6. Step 6: Final answer
   x = 27,170.03