Finding the Fourth Proportional to 31,019.68, 42,822.03 and 19,093.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,019.68 : 42,822.03 = 19,093.24 : x
2. Step 2: Convert to fraction form
   31,019.68/42,822.03 = 19,093.24/x
3. Step 3: Cross multiply
   31,019.68x = 42,822.03 × 19,093.24
4. Step 4: Simplify right side
   31,019.68x = 817,611,296.08
5. Step 5: Solve for x
   x = 817,611,296.08/31,019.68
6. Step 6: Final answer
   x = 26,357.82