Finding the Fourth Proportional to 229,019.03, 343,178.20 and 122,418.15

Step by Step Solution

1. Step 1: Write the proportion equation
   229,019.03 : 343,178.20 = 122,418.15 : x
2. Step 2: Convert to fraction form
   229,019.03/343,178.20 = 122,418.15/x
3. Step 3: Cross multiply
   229,019.03x = 343,178.20 × 122,418.15
4. Step 4: Simplify right side
   229,019.03x = 42,011,240,364.33
5. Step 5: Solve for x
   x = 42,011,240,364.33/229,019.03
6. Step 6: Final answer
   x = 183,439.95