Finding the Fourth Proportional to 105,659.10, 158,504.04 and 30,769.74

Step by Step Solution

1. Step 1: Write the proportion equation
   105,659.10 : 158,504.04 = 30,769.74 : x
2. Step 2: Convert to fraction form
   105,659.10/158,504.04 = 30,769.74/x
3. Step 3: Cross multiply
   105,659.10x = 158,504.04 × 30,769.74
4. Step 4: Simplify right side
   105,659.10x = 4,877,128,099.75
5. Step 5: Solve for x
   x = 4,877,128,099.75/105,659.10
6. Step 6: Final answer
   x = 46,159.09