Finding the Fourth Proportional to 105,833.76, 158,789.52 and 76,284.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,833.76 : 158,789.52 = 76,284.96 : x
2. Step 2: Convert to fraction form
   105,833.76/158,789.52 = 76,284.96/x
3. Step 3: Cross multiply
   105,833.76x = 158,789.52 × 76,284.96
4. Step 4: Simplify right side
   105,833.76x = 12,113,252,181.62
5. Step 5: Solve for x
   x = 12,113,252,181.62/105,833.76
6. Step 6: Final answer
   x = 114,455.46