Finding the Fourth Proportional to 109,404.03, 164,115.23 and 30,519.21

Step by Step Solution

1. Step 1: Write the proportion equation
   109,404.03 : 164,115.23 = 30,519.21 : x
2. Step 2: Convert to fraction form
   109,404.03/164,115.23 = 30,519.21/x
3. Step 3: Cross multiply
   109,404.03x = 164,115.23 × 30,519.21
4. Step 4: Simplify right side
   109,404.03x = 5,008,667,015.97
5. Step 5: Solve for x
   x = 5,008,667,015.97/109,404.03
6. Step 6: Final answer
   x = 45,781.38