Finding the Fourth Proportional to 31,074.14, 42,904.41 and 19,141.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.14 : 42,904.41 = 19,141.22 : x
2. Step 2: Convert to fraction form
   31,074.14/42,904.41 = 19,141.22/x
3. Step 3: Cross multiply
   31,074.14x = 42,904.41 × 19,141.22
4. Step 4: Simplify right side
   31,074.14x = 821,242,750.78
5. Step 5: Solve for x
   x = 821,242,750.78/31,074.14
6. Step 6: Final answer
   x = 26,428.49