Finding the Fourth Proportional to 1,456,139.10, 2,183,625.45 and 509,022.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,139.10 : 2,183,625.45 = 509,022.30 : x
2. Step 2: Convert to fraction form
   1,456,139.10/2,183,625.45 = 509,022.30/x
3. Step 3: Cross multiply
   1,456,139.10x = 2,183,625.45 × 509,022.30
4. Step 4: Simplify right side
   1,456,139.10x = 1,111,514,048,897.54
5. Step 5: Solve for x
   x = 1,111,514,048,897.54/1,456,139.10
6. Step 6: Final answer
   x = 763,329.58