Finding the Fourth Proportional to 109,765.98, 164,629.81 and 30,861.45

Step by Step Solution

1. Step 1: Write the proportion equation
   109,765.98 : 164,629.81 = 30,861.45 : x
2. Step 2: Convert to fraction form
   109,765.98/164,629.81 = 30,861.45/x
3. Step 3: Cross multiply
   109,765.98x = 164,629.81 × 30,861.45
4. Step 4: Simplify right side
   109,765.98x = 5,080,714,649.82
5. Step 5: Solve for x
   x = 5,080,714,649.82/109,765.98
6. Step 6: Final answer
   x = 46,286.79