Finding the Fourth Proportional to 31,104.06, 42,924.42 and 19,175.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,104.06 : 42,924.42 = 19,175.28 : x
2. Step 2: Convert to fraction form
   31,104.06/42,924.42 = 19,175.28/x
3. Step 3: Cross multiply
   31,104.06x = 42,924.42 × 19,175.28
4. Step 4: Simplify right side
   31,104.06x = 823,087,772.34
5. Step 5: Solve for x
   x = 823,087,772.34/31,104.06
6. Step 6: Final answer
   x = 26,462.39