Finding the Fourth Proportional to 2,086,549.69, 3,130,036.71 and 720,145.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,549.69 : 3,130,036.71 = 720,145.56 : x
2. Step 2: Convert to fraction form
   2,086,549.69/3,130,036.71 = 720,145.56/x
3. Step 3: Cross multiply
   2,086,549.69x = 3,130,036.71 × 720,145.56
4. Step 4: Simplify right side
   2,086,549.69x = 2,254,082,039,343.51
5. Step 5: Solve for x
   x = 2,254,082,039,343.51/2,086,549.69
6. Step 6: Final answer
   x = 1,080,291.57