Finding the Fourth Proportional to 105,412.23, 158,141.43 and 30,535.41

Step by Step Solution

1. Step 1: Write the proportion equation
   105,412.23 : 158,141.43 = 30,535.41 : x
2. Step 2: Convert to fraction form
   105,412.23/158,141.43 = 30,535.41/x
3. Step 3: Cross multiply
   105,412.23x = 158,141.43 × 30,535.41
4. Step 4: Simplify right side
   105,412.23x = 4,828,913,403.04
5. Step 5: Solve for x
   x = 4,828,913,403.04/105,412.23
6. Step 6: Final answer
   x = 45,809.80