Finding the Fourth Proportional to 72,446.97, 108,643.16 and 30,329.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,446.97 : 108,643.16 = 30,329.96 : x
2. Step 2: Convert to fraction form
   72,446.97/108,643.16 = 30,329.96/x
3. Step 3: Cross multiply
   72,446.97x = 108,643.16 × 30,329.96
4. Step 4: Simplify right side
   72,446.97x = 3,295,142,002.21
5. Step 5: Solve for x
   x = 3,295,142,002.21/72,446.97
6. Step 6: Final answer
   x = 45,483.50