Finding the Fourth Proportional to 109,404.78, 164,116.35 and 30,519.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,404.78 : 164,116.35 = 30,519.96 : x
2. Step 2: Convert to fraction form
   109,404.78/164,116.35 = 30,519.96/x
3. Step 3: Cross multiply
   109,404.78x = 164,116.35 × 30,519.96
4. Step 4: Simplify right side
   109,404.78x = 5,008,824,437.35
5. Step 5: Solve for x
   x = 5,008,824,437.35/109,404.78
6. Step 6: Final answer
   x = 45,782.50