Finding the Fourth Proportional to 109,742.96, 164,588.88 and 30,864.80

Step by Step Solution

1. Step 1: Write the proportion equation
   109,742.96 : 164,588.88 = 30,864.80 : x
2. Step 2: Convert to fraction form
   109,742.96/164,588.88 = 30,864.80/x
3. Step 3: Cross multiply
   109,742.96x = 164,588.88 × 30,864.80
4. Step 4: Simplify right side
   109,742.96x = 5,080,002,863.42
5. Step 5: Solve for x
   x = 5,080,002,863.42/109,742.96
6. Step 6: Final answer
   x = 46,290.01