Finding the Fourth Proportional to 55,145.34, 82,677.69 and 17,684.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,145.34 : 82,677.69 = 17,684.09 : x
2. Step 2: Convert to fraction form
   55,145.34/82,677.69 = 17,684.09/x
3. Step 3: Cross multiply
   55,145.34x = 82,677.69 × 17,684.09
4. Step 4: Simplify right side
   55,145.34x = 1,462,079,297.56
5. Step 5: Solve for x
   x = 1,462,079,297.56/55,145.34
6. Step 6: Final answer
   x = 26,513.20