Finding the Fourth Proportional to 1,659,953,488.72, 2,488,397,960.74 and 830,185,081.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659,953,488.72 : 2,488,397,960.74 = 830,185,081.71 : x
2. Step 2: Convert to fraction form
   1,659,953,488.72/2,488,397,960.74 = 830,185,081.71/x
3. Step 3: Cross multiply
   1,659,953,488.72x = 2,488,397,960.74 × 830,185,081.71
4. Step 4: Simplify right side
   1,659,953,488.72x = 2,065,830,864,372,682,752
5. Step 5: Solve for x
   x = 2,065,830,864,372,682,752/1,659,953,488.72
6. Step 6: Final answer
   x = 1,244,511,294.09