Finding the Fourth Proportional to 105,820.96, 158,730.48 and 31,948.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,820.96 : 158,730.48 = 31,948.96 : x
2. Step 2: Convert to fraction form
   105,820.96/158,730.48 = 31,948.96/x
3. Step 3: Cross multiply
   105,820.96x = 158,730.48 × 31,948.96
4. Step 4: Simplify right side
   105,820.96x = 5,071,273,756.30
5. Step 5: Solve for x
   x = 5,071,273,756.30/105,820.96
6. Step 6: Final answer
   x = 47,923.15