Finding the Fourth Proportional to 410,510.72, 566,514.40 and 229,216.52

Step by Step Solution

1. Step 1: Write the proportion equation
   410,510.72 : 566,514.40 = 229,216.52 : x
2. Step 2: Convert to fraction form
   410,510.72/566,514.40 = 229,216.52/x
3. Step 3: Cross multiply
   410,510.72x = 566,514.40 × 229,216.52
4. Step 4: Simplify right side
   410,510.72x = 129,854,459,297.89
5. Step 5: Solve for x
   x = 129,854,459,297.89/410,510.72
6. Step 6: Final answer
   x = 316,324.16