Finding the Fourth Proportional to 229,018.03, 343,176.71 and 122,417.15

Step by Step Solution

1. Step 1: Write the proportion equation
   229,018.03 : 343,176.71 = 122,417.15 : x
2. Step 2: Convert to fraction form
   229,018.03/343,176.71 = 122,417.15/x
3. Step 3: Cross multiply
   229,018.03x = 343,176.71 × 122,417.15
4. Step 4: Simplify right side
   229,018.03x = 42,010,714,784.58
5. Step 5: Solve for x
   x = 42,010,714,784.58/229,018.03
6. Step 6: Final answer
   x = 183,438.46