Finding the Fourth Proportional to 31,042.63, 46,489.83 and 17,867.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,042.63 : 46,489.83 = 17,867.31 : x
2. Step 2: Convert to fraction form
   31,042.63/46,489.83 = 17,867.31/x
3. Step 3: Cross multiply
   31,042.63x = 46,489.83 × 17,867.31
4. Step 4: Simplify right side
   31,042.63x = 830,648,204.46
5. Step 5: Solve for x
   x = 830,648,204.46/31,042.63
6. Step 6: Final answer
   x = 26,758.31