Finding the Fourth Proportional to 105,886.77, 158,783.52 and 49,742.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,886.77 : 158,783.52 = 49,742.84 : x
2. Step 2: Convert to fraction form
   105,886.77/158,783.52 = 49,742.84/x
3. Step 3: Cross multiply
   105,886.77x = 158,783.52 × 49,742.84
4. Step 4: Simplify right side
   105,886.77x = 7,898,342,436.08
5. Step 5: Solve for x
   x = 7,898,342,436.08/105,886.77
6. Step 6: Final answer
   x = 74,592.34