Finding the Fourth Proportional to 223,028.96, 307,770.72 and 122,429.12

Step by Step Solution

1. Step 1: Write the proportion equation
   223,028.96 : 307,770.72 = 122,429.12 : x
2. Step 2: Convert to fraction form
   223,028.96/307,770.72 = 122,429.12/x
3. Step 3: Cross multiply
   223,028.96x = 307,770.72 × 122,429.12
4. Step 4: Simplify right side
   223,028.96x = 37,680,098,411.37
5. Step 5: Solve for x
   x = 37,680,098,411.37/223,028.96
6. Step 6: Final answer
   x = 168,947.11