Finding the Fourth Proportional to 31,009.97, 42,794.89 and 17,764.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,009.97 : 42,794.89 = 17,764.53 : x
2. Step 2: Convert to fraction form
   31,009.97/42,794.89 = 17,764.53/x
3. Step 3: Cross multiply
   31,009.97x = 42,794.89 × 17,764.53
4. Step 4: Simplify right side
   31,009.97x = 760,231,018.43
5. Step 5: Solve for x
   x = 760,231,018.43/31,009.97
6. Step 6: Final answer
   x = 24,515.70