Finding the Fourth Proportional to 55,221.82, 82,840.54 and 17,773.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,221.82 : 82,840.54 = 17,773.18 : x
2. Step 2: Convert to fraction form
   55,221.82/82,840.54 = 17,773.18/x
3. Step 3: Cross multiply
   55,221.82x = 82,840.54 × 17,773.18
4. Step 4: Simplify right side
   55,221.82x = 1,472,339,828.72
5. Step 5: Solve for x
   x = 1,472,339,828.72/55,221.82
6. Step 6: Final answer
   x = 26,662.28