Finding the Fourth Proportional to 105,605.59, 158,443.76 and 34,531.51

Step by Step Solution

1. Step 1: Write the proportion equation
   105,605.59 : 158,443.76 = 34,531.51 : x
2. Step 2: Convert to fraction form
   105,605.59/158,443.76 = 34,531.51/x
3. Step 3: Cross multiply
   105,605.59x = 158,443.76 × 34,531.51
4. Step 4: Simplify right side
   105,605.59x = 5,471,302,282.88
5. Step 5: Solve for x
   x = 5,471,302,282.88/105,605.59
6. Step 6: Final answer
   x = 51,808.83