Finding the Fourth Proportional to 1,507,784.59, 2,080,758.81 and 819,456.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,784.59 : 2,080,758.81 = 819,456.46 : x
2. Step 2: Convert to fraction form
   1,507,784.59/2,080,758.81 = 819,456.46/x
3. Step 3: Cross multiply
   1,507,784.59x = 2,080,758.81 × 819,456.46
4. Step 4: Simplify right side
   1,507,784.59x = 1,705,091,248,556.41
5. Step 5: Solve for x
   x = 1,705,091,248,556.41/1,507,784.59
6. Step 6: Final answer
   x = 1,130,858.65