Finding the Fourth Proportional to 105,505.92, 158,274.42 and 30,616.32

Step by Step Solution

1. Step 1: Write the proportion equation
   105,505.92 : 158,274.42 = 30,616.32 : x
2. Step 2: Convert to fraction form
   105,505.92/158,274.42 = 30,616.32/x
3. Step 3: Cross multiply
   105,505.92x = 158,274.42 × 30,616.32
4. Step 4: Simplify right side
   105,505.92x = 4,845,780,290.53
5. Step 5: Solve for x
   x = 4,845,780,290.53/105,505.92
6. Step 6: Final answer
   x = 45,928.99