Finding the Fourth Proportional to 31,016.22, 42,804.60 and 17,588.64

Step by Step Solution

1. Step 1: Write the proportion equation
   31,016.22 : 42,804.60 = 17,588.64 : x
2. Step 2: Convert to fraction form
   31,016.22/42,804.60 = 17,588.64/x
3. Step 3: Cross multiply
   31,016.22x = 42,804.60 × 17,588.64
4. Step 4: Simplify right side
   31,016.22x = 752,874,893.24
5. Step 5: Solve for x
   x = 752,874,893.24/31,016.22
6. Step 6: Final answer
   x = 24,273.59