Finding the Fourth Proportional to 229,776.98, 344,665.59 and 105,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   229,776.98 : 344,665.59 = 105,030.50 : x
2. Step 2: Convert to fraction form
   229,776.98/344,665.59 = 105,030.50/x
3. Step 3: Cross multiply
   229,776.98x = 344,665.59 × 105,030.50
4. Step 4: Simplify right side
   229,776.98x = 36,200,399,250.50
5. Step 5: Solve for x
   x = 36,200,399,250.50/229,776.98
6. Step 6: Final answer
   x = 157,545.80