Finding the Fourth Proportional to 229,410.28, 343,981.50 and 89,004.88

Step by Step Solution

1. Step 1: Write the proportion equation
   229,410.28 : 343,981.50 = 89,004.88 : x
2. Step 2: Convert to fraction form
   229,410.28/343,981.50 = 89,004.88/x
3. Step 3: Cross multiply
   229,410.28x = 343,981.50 × 89,004.88
4. Step 4: Simplify right side
   229,410.28x = 30,616,032,129.72
5. Step 5: Solve for x
   x = 30,616,032,129.72/229,410.28
6. Step 6: Final answer
   x = 133,455.36