Finding the Fourth Proportional to 105,804.79, 158,690.79 and 30,904.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105,804.79 : 158,690.79 = 30,904.83 : x
2. Step 2: Convert to fraction form
   105,804.79/158,690.79 = 30,904.83/x
3. Step 3: Cross multiply
   105,804.79x = 158,690.79 × 30,904.83
4. Step 4: Simplify right side
   105,804.79x = 4,904,311,887.52
5. Step 5: Solve for x
   x = 4,904,311,887.52/105,804.79
6. Step 6: Final answer
   x = 46,352.46