Finding the Fourth Proportional to 229,064.32, 343,628.88 and 71,308.72

Step by Step Solution

1. Step 1: Write the proportion equation
   229,064.32 : 343,628.88 = 71,308.72 : x
2. Step 2: Convert to fraction form
   229,064.32/343,628.88 = 71,308.72/x
3. Step 3: Cross multiply
   229,064.32x = 343,628.88 × 71,308.72
4. Step 4: Simplify right side
   229,064.32x = 24,503,735,587.83
5. Step 5: Solve for x
   x = 24,503,735,587.83/229,064.32
6. Step 6: Final answer
   x = 106,973.17