Finding the Fourth Proportional to 109,403.48, 164,106.50 and 30,512.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,403.48 : 164,106.50 = 30,512.88 : x
2. Step 2: Convert to fraction form
   109,403.48/164,106.50 = 30,512.88/x
3. Step 3: Cross multiply
   109,403.48x = 164,106.50 × 30,512.88
4. Step 4: Simplify right side
   109,403.48x = 5,007,361,941.72
5. Step 5: Solve for x
   x = 5,007,361,941.72/109,403.48
6. Step 6: Final answer
   x = 45,769.68