Finding the Fourth Proportional to 501,016.97, 751,339.15 and 216,748.69

Step by Step Solution

1. Step 1: Write the proportion equation
   501,016.97 : 751,339.15 = 216,748.69 : x
2. Step 2: Convert to fraction form
   501,016.97/751,339.15 = 216,748.69/x
3. Step 3: Cross multiply
   501,016.97x = 751,339.15 × 216,748.69
4. Step 4: Simplify right side
   501,016.97x = 162,851,776,508.21
5. Step 5: Solve for x
   x = 162,851,776,508.21/501,016.97
6. Step 6: Final answer
   x = 325,042.44