Finding the Fourth Proportional to 39,866.16, 59,771.52 and 17,667.36

Step by Step Solution

1. Step 1: Write the proportion equation
   39,866.16 : 59,771.52 = 17,667.36 : x
2. Step 2: Convert to fraction form
   39,866.16/59,771.52 = 17,667.36/x
3. Step 3: Cross multiply
   39,866.16x = 59,771.52 × 17,667.36
4. Step 4: Simplify right side
   39,866.16x = 1,056,004,961.59
5. Step 5: Solve for x
   x = 1,056,004,961.59/39,866.16
6. Step 6: Final answer
   x = 26,488.76