Finding the Fourth Proportional to 39,866.22, 59,765.38 and 17,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,866.22 : 59,765.38 = 17,667.50 : x
2. Step 2: Convert to fraction form
   39,866.22/59,765.38 = 17,667.50/x
3. Step 3: Cross multiply
   39,866.22x = 59,765.38 × 17,667.50
4. Step 4: Simplify right side
   39,866.22x = 1,055,904,508.15
5. Step 5: Solve for x
   x = 1,055,904,508.15/39,866.22
6. Step 6: Final answer
   x = 26,486.20