Finding the Fourth Proportional to 2,138,475,342.42, 3,207,715,572.42 and 585,780,050.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,475,342.42 : 3,207,715,572.42 = 585,780,050.34 : x
2. Step 2: Convert to fraction form
   2,138,475,342.42/3,207,715,572.42 = 585,780,050.34/x
3. Step 3: Cross multiply
   2,138,475,342.42x = 3,207,715,572.42 × 585,780,050.34
4. Step 4: Simplify right side
   2,138,475,342.42x = 1,879,015,789,488,589,568
5. Step 5: Solve for x
   x = 1,879,015,789,488,589,568/2,138,475,342.42
6. Step 6: Final answer
   x = 878,670,776.42