Finding the Fourth Proportional to 105,433.99, 158,159.09 and 30,555.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,433.99 : 158,159.09 = 30,555.16 : x
2. Step 2: Convert to fraction form
   105,433.99/158,159.09 = 30,555.16/x
3. Step 3: Cross multiply
   105,433.99x = 158,159.09 × 30,555.16
4. Step 4: Simplify right side
   105,433.99x = 4,832,576,300.40
5. Step 5: Solve for x
   x = 4,832,576,300.40/105,433.99
6. Step 6: Final answer
   x = 45,835.09