Finding the Fourth Proportional to 229,325.78, 343,976.52 and 71,536.16

Step by Step Solution

1. Step 1: Write the proportion equation
   229,325.78 : 343,976.52 = 71,536.16 : x
2. Step 2: Convert to fraction form
   229,325.78/343,976.52 = 71,536.16/x
3. Step 3: Cross multiply
   229,325.78x = 343,976.52 × 71,536.16
4. Step 4: Simplify right side
   229,325.78x = 24,606,760,499.17
5. Step 5: Solve for x
   x = 24,606,760,499.17/229,325.78
6. Step 6: Final answer
   x = 107,300.45