Finding the Fourth Proportional to 105,769.89, 158,669.69 and 30,895.53

Step by Step Solution

1. Step 1: Write the proportion equation
   105,769.89 : 158,669.69 = 30,895.53 : x
2. Step 2: Convert to fraction form
   105,769.89/158,669.69 = 30,895.53/x
3. Step 3: Cross multiply
   105,769.89x = 158,669.69 × 30,895.53
4. Step 4: Simplify right side
   105,769.89x = 4,902,184,013.01
5. Step 5: Solve for x
   x = 4,902,184,013.01/105,769.89
6. Step 6: Final answer
   x = 46,347.63