Finding the Fourth Proportional to 67,114.50, 100,671.78 and 17,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,114.50 : 100,671.78 = 17,866.50 : x
2. Step 2: Convert to fraction form
   67,114.50/100,671.78 = 17,866.50/x
3. Step 3: Cross multiply
   67,114.50x = 100,671.78 × 17,866.50
4. Step 4: Simplify right side
   67,114.50x = 1,798,652,357.37
5. Step 5: Solve for x
   x = 1,798,652,357.37/67,114.50
6. Step 6: Final answer
   x = 26,799.76