Finding the Fourth Proportional to 55,128.67, 82,700.73 and 17,679.94

Step by Step Solution

1. Step 1: Write the proportion equation
   55,128.67 : 82,700.73 = 17,679.94 : x
2. Step 2: Convert to fraction form
   55,128.67/82,700.73 = 17,679.94/x
3. Step 3: Cross multiply
   55,128.67x = 82,700.73 × 17,679.94
4. Step 4: Simplify right side
   55,128.67x = 1,462,143,737.60
5. Step 5: Solve for x
   x = 1,462,143,737.60/55,128.67
6. Step 6: Final answer
   x = 26,522.38