Finding the Fourth Proportional to 72,816.72, 109,267.55 and 30,694.23

Step by Step Solution

1. Step 1: Write the proportion equation
   72,816.72 : 109,267.55 = 30,694.23 : x
2. Step 2: Convert to fraction form
   72,816.72/109,267.55 = 30,694.23/x
3. Step 3: Cross multiply
   72,816.72x = 109,267.55 × 30,694.23
4. Step 4: Simplify right side
   72,816.72x = 3,353,883,157.77
5. Step 5: Solve for x
   x = 3,353,883,157.77/72,816.72
6. Step 6: Final answer
   x = 46,059.25