Finding the Fourth Proportional to 1,080,300,574.81, 1,490,816,305.98 and 585,263,283.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080,300,574.81 : 1,490,816,305.98 = 585,263,283.31 : x
2. Step 2: Convert to fraction form
   1,080,300,574.81/1,490,816,305.98 = 585,263,283.31/x
3. Step 3: Cross multiply
   1,080,300,574.81x = 1,490,816,305.98 × 585,263,283.31
4. Step 4: Simplify right side
   1,080,300,574.81x = 872,520,046,049,940,352
5. Step 5: Solve for x
   x = 872,520,046,049,940,352/1,080,300,574.81
6. Step 6: Final answer
   x = 807,664,150.51