Finding the Fourth Proportional to 160,938.72, 241,380.24 and 42,611.76

Step by Step Solution

1. Step 1: Write the proportion equation
   160,938.72 : 241,380.24 = 42,611.76 : x
2. Step 2: Convert to fraction form
   160,938.72/241,380.24 = 42,611.76/x
3. Step 3: Cross multiply
   160,938.72x = 241,380.24 × 42,611.76
4. Step 4: Simplify right side
   160,938.72x = 10,285,636,855.62
5. Step 5: Solve for x
   x = 10,285,636,855.62/160,938.72
6. Step 6: Final answer
   x = 63,910.27