Finding the Fourth Proportional to 105,787.23, 158,682.60 and 49,596.45

Step by Step Solution

1. Step 1: Write the proportion equation
   105,787.23 : 158,682.60 = 49,596.45 : x
2. Step 2: Convert to fraction form
   105,787.23/158,682.60 = 49,596.45/x
3. Step 3: Cross multiply
   105,787.23x = 158,682.60 × 49,596.45
4. Step 4: Simplify right side
   105,787.23x = 7,870,093,636.77
5. Step 5: Solve for x
   x = 7,870,093,636.77/105,787.23
6. Step 6: Final answer
   x = 74,395.50