Finding the Fourth Proportional to 229,054.32, 343,613.88 and 71,298.72

Step by Step Solution

1. Step 1: Write the proportion equation
   229,054.32 : 343,613.88 = 71,298.72 : x
2. Step 2: Convert to fraction form
   229,054.32/343,613.88 = 71,298.72/x
3. Step 3: Cross multiply
   229,054.32x = 343,613.88 × 71,298.72
4. Step 4: Simplify right side
   229,054.32x = 24,499,229,818.23
5. Step 5: Solve for x
   x = 24,499,229,818.23/229,054.32
6. Step 6: Final answer
   x = 106,958.17