Finding the Fourth Proportional to 1,507,784.34, 2,080,758.54 and 819,456.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,784.34 : 2,080,758.54 = 819,456.18 : x
2. Step 2: Convert to fraction form
   1,507,784.34/2,080,758.54 = 819,456.18/x
3. Step 3: Cross multiply
   1,507,784.34x = 2,080,758.54 × 819,456.18
4. Step 4: Simplify right side
   1,507,784.34x = 1,705,090,444,690.78
5. Step 5: Solve for x
   x = 1,705,090,444,690.78/1,507,784.34
6. Step 6: Final answer
   x = 1,130,858.31