Finding the Fourth Proportional to 55,241.80, 82,870.29 and 17,789.42

Step by Step Solution

1. Step 1: Write the proportion equation
   55,241.80 : 82,870.29 = 17,789.42 : x
2. Step 2: Convert to fraction form
   55,241.80/82,870.29 = 17,789.42/x
3. Step 3: Cross multiply
   55,241.80x = 82,870.29 × 17,789.42
4. Step 4: Simplify right side
   55,241.80x = 1,474,214,601.51
5. Step 5: Solve for x
   x = 1,474,214,601.51/55,241.80
6. Step 6: Final answer
   x = 26,686.58