Finding the Fourth Proportional to 469,514.16, 704,358.72 and 154,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   469,514.16 : 704,358.72 = 154,061.28 : x
2. Step 2: Convert to fraction form
   469,514.16/704,358.72 = 154,061.28/x
3. Step 3: Cross multiply
   469,514.16x = 704,358.72 × 154,061.28
4. Step 4: Simplify right side
   469,514.16x = 108,514,405,982.36
5. Step 5: Solve for x
   x = 108,514,405,982.36/469,514.16
6. Step 6: Final answer
   x = 231,120.62