Finding the Fourth Proportional to 261,990.83, 361,442.36 and 165,162.83

Step by Step Solution

1. Step 1: Write the proportion equation
   261,990.83 : 361,442.36 = 165,162.83 : x
2. Step 2: Convert to fraction form
   261,990.83/361,442.36 = 165,162.83/x
3. Step 3: Cross multiply
   261,990.83x = 361,442.36 × 165,162.83
4. Step 4: Simplify right side
   261,990.83x = 59,696,840,426.45
5. Step 5: Solve for x
   x = 59,696,840,426.45/261,990.83
6. Step 6: Final answer
   x = 227,858.52