Finding the Fourth Proportional to 31,064.94, 42,866.90 and 17,636.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,064.94 : 42,866.90 = 17,636.76 : x
2. Step 2: Convert to fraction form
   31,064.94/42,866.90 = 17,636.76/x
3. Step 3: Cross multiply
   31,064.94x = 42,866.90 × 17,636.76
4. Step 4: Simplify right side
   31,064.94x = 756,033,227.24
5. Step 5: Solve for x
   x = 756,033,227.24/31,064.94
6. Step 6: Final answer
   x = 24,337.19