Finding the Fourth Proportional to 109,518.90, 164,266.20 and 30,641.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,518.90 : 164,266.20 = 30,641.10 : x
2. Step 2: Convert to fraction form
   109,518.90/164,266.20 = 30,641.10/x
3. Step 3: Cross multiply
   109,518.90x = 164,266.20 × 30,641.10
4. Step 4: Simplify right side
   109,518.90x = 5,033,297,060.82
5. Step 5: Solve for x
   x = 5,033,297,060.82/109,518.90
6. Step 6: Final answer
   x = 45,958.25