Finding the Fourth Proportional to 105,443.50, 158,167.09 and 38,849.35

Step by Step Solution

1. Step 1: Write the proportion equation
   105,443.50 : 158,167.09 = 38,849.35 : x
2. Step 2: Convert to fraction form
   105,443.50/158,167.09 = 38,849.35/x
3. Step 3: Cross multiply
   105,443.50x = 158,167.09 × 38,849.35
4. Step 4: Simplify right side
   105,443.50x = 6,144,688,637.89
5. Step 5: Solve for x
   x = 6,144,688,637.89/105,443.50
6. Step 6: Final answer
   x = 58,274.70