Finding the Fourth Proportional to 1,799,145.39, 2,698,320.12 and 519,475.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799,145.39 : 2,698,320.12 = 519,475.14 : x
2. Step 2: Convert to fraction form
   1,799,145.39/2,698,320.12 = 519,475.14/x
3. Step 3: Cross multiply
   1,799,145.39x = 2,698,320.12 × 519,475.14
4. Step 4: Simplify right side
   1,799,145.39x = 1,401,710,222,101.82
5. Step 5: Solve for x
   x = 1,401,710,222,101.82/1,799,145.39
6. Step 6: Final answer
   x = 779,097.80