Finding the Fourth Proportional to 72,883.72, 100,604.69 and 42,678.73

Step by Step Solution

1. Step 1: Write the proportion equation
   72,883.72 : 100,604.69 = 42,678.73 : x
2. Step 2: Convert to fraction form
   72,883.72/100,604.69 = 42,678.73/x
3. Step 3: Cross multiply
   72,883.72x = 100,604.69 × 42,678.73
4. Step 4: Simplify right side
   72,883.72x = 4,293,680,401.24
5. Step 5: Solve for x
   x = 4,293,680,401.24/72,883.72
6. Step 6: Final answer
   x = 58,911.38