Finding the Fourth Proportional to 3,665,128,967.62, 5,499,384,243.91 and 1,673,781,488.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665,128,967.62 : 5,499,384,243.91 = 1,673,781,488.64 : x
2. Step 2: Convert to fraction form
   3,665,128,967.62/5,499,384,243.91 = 1,673,781,488.64/x
3. Step 3: Cross multiply
   3,665,128,967.62x = 5,499,384,243.91 × 1,673,781,488.64
4. Step 4: Simplify right side
   3,665,128,967.62x = 9,204,767,546,375,041,024
5. Step 5: Solve for x
   x = 9,204,767,546,375,041,024/3,665,128,967.62
6. Step 6: Final answer
   x = 2,511,444,379.64