Finding the Fourth Proportional to 31,064.31, 42,869.45 and 17,634.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,064.31 : 42,869.45 = 17,634.31 : x
2. Step 2: Convert to fraction form
   31,064.31/42,869.45 = 17,634.31/x
3. Step 3: Cross multiply
   31,064.31x = 42,869.45 × 17,634.31
4. Step 4: Simplify right side
   31,064.31x = 755,973,107.74
5. Step 5: Solve for x
   x = 755,973,107.74/31,064.31
6. Step 6: Final answer
   x = 24,335.74