Finding the Fourth Proportional to 105,407.02, 158,109.69 and 43,033.78

Step by Step Solution

1. Step 1: Write the proportion equation
   105,407.02 : 158,109.69 = 43,033.78 : x
2. Step 2: Convert to fraction form
   105,407.02/158,109.69 = 43,033.78/x
3. Step 3: Cross multiply
   105,407.02x = 158,109.69 × 43,033.78
4. Step 4: Simplify right side
   105,407.02x = 6,804,057,615.33
5. Step 5: Solve for x
   x = 6,804,057,615.33/105,407.02
6. Step 6: Final answer
   x = 64,550.33