Finding the Fourth Proportional to 72,995.46, 109,509.45 and 28,626.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,995.46 : 109,509.45 = 28,626.42 : x
2. Step 2: Convert to fraction form
   72,995.46/109,509.45 = 28,626.42/x
3. Step 3: Cross multiply
   72,995.46x = 109,509.45 × 28,626.42
4. Step 4: Simplify right side
   72,995.46x = 3,134,863,509.67
5. Step 5: Solve for x
   x = 3,134,863,509.67/72,995.46
6. Step 6: Final answer
   x = 42,946.01