Finding the Fourth Proportional to 1,479,012.03, 2,218,763.31 and 519,218.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479,012.03 : 2,218,763.31 = 519,218.52 : x
2. Step 2: Convert to fraction form
   1,479,012.03/2,218,763.31 = 519,218.52/x
3. Step 3: Cross multiply
   1,479,012.03x = 2,218,763.31 × 519,218.52
4. Step 4: Simplify right side
   1,479,012.03x = 1,152,023,002,048.50
5. Step 5: Solve for x
   x = 1,152,023,002,048.50/1,479,012.03
6. Step 6: Final answer
   x = 778,913.88