Finding the Fourth Proportional to 2,136,581,493.26, 2,948,499,775.67 and 1,183,978,145.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136,581,493.26 : 2,948,499,775.67 = 1,183,978,145.30 : x
2. Step 2: Convert to fraction form
   2,136,581,493.26/2,948,499,775.67 = 1,183,978,145.30/x
3. Step 3: Cross multiply
   2,136,581,493.26x = 2,948,499,775.67 × 1,183,978,145.30
4. Step 4: Simplify right side
   2,136,581,493.26x = 3,490,959,295,794,570,240
5. Step 5: Solve for x
   x = 3,490,959,295,794,570,240/2,136,581,493.26
6. Step 6: Final answer
   x = 1,633,899,435.53