Finding the Fourth Proportional to 31,064.94, 42,869.25 and 17,636.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,064.94 : 42,869.25 = 17,636.58 : x
2. Step 2: Convert to fraction form
   31,064.94/42,869.25 = 17,636.58/x
3. Step 3: Cross multiply
   31,064.94x = 42,869.25 × 17,636.58
4. Step 4: Simplify right side
   31,064.94x = 756,066,957.17
5. Step 5: Solve for x
   x = 756,066,957.17/31,064.94
6. Step 6: Final answer
   x = 24,338.27