Finding the Fourth Proportional to 105,792.96, 158,687.72 and 42,611.58

Step by Step Solution

1. Step 1: Write the proportion equation
   105,792.96 : 158,687.72 = 42,611.58 : x
2. Step 2: Convert to fraction form
   105,792.96/158,687.72 = 42,611.58/x
3. Step 3: Cross multiply
   105,792.96x = 158,687.72 × 42,611.58
4. Step 4: Simplify right side
   105,792.96x = 6,761,934,475.80
5. Step 5: Solve for x
   x = 6,761,934,475.80/105,792.96
6. Step 6: Final answer
   x = 63,916.68