Finding the Fourth Proportional to 1,080,300,624.09, 1,490,816,373.99 and 585,263,332.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080,300,624.09 : 1,490,816,373.99 = 585,263,332.59 : x
2. Step 2: Convert to fraction form
   1,080,300,624.09/1,490,816,373.99 = 585,263,332.59/x
3. Step 3: Cross multiply
   1,080,300,624.09x = 1,490,816,373.99 × 585,263,332.59
4. Step 4: Simplify right side
   1,080,300,624.09x = 872,520,159,326,665,600
5. Step 5: Solve for x
   x = 872,520,159,326,665,600/1,080,300,624.09
6. Step 6: Final answer
   x = 807,664,218.52