Finding the Fourth Proportional to 2,036,720.69, 3,055,080.56 and 520,406.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036,720.69 : 3,055,080.56 = 520,406.47 : x
2. Step 2: Convert to fraction form
   2,036,720.69/3,055,080.56 = 520,406.47/x
3. Step 3: Cross multiply
   2,036,720.69x = 3,055,080.56 × 520,406.47
4. Step 4: Simplify right side
   2,036,720.69x = 1,589,883,674,519.82
5. Step 5: Solve for x
   x = 1,589,883,674,519.82/2,036,720.69
6. Step 6: Final answer
   x = 780,609.58