Finding the Fourth Proportional to 119,309.25, 164,511.50 and 76,231.83

Step by Step Solution

1. Step 1: Write the proportion equation
   119,309.25 : 164,511.50 = 76,231.83 : x
2. Step 2: Convert to fraction form
   119,309.25/164,511.50 = 76,231.83/x
3. Step 3: Cross multiply
   119,309.25x = 164,511.50 × 76,231.83
4. Step 4: Simplify right side
   119,309.25x = 12,541,012,319.89
5. Step 5: Solve for x
   x = 12,541,012,319.89/119,309.25
6. Step 6: Final answer
   x = 105,113.50