Finding the Fourth Proportional to 2,108,854,820.43, 2,910,108,425.61 and 1,204,432,949.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,854,820.43 : 2,910,108,425.61 = 1,204,432,949.42 : x
2. Step 2: Convert to fraction form
   2,108,854,820.43/2,910,108,425.61 = 1,204,432,949.42/x
3. Step 3: Cross multiply
   2,108,854,820.43x = 2,910,108,425.61 × 1,204,432,949.42
4. Step 4: Simplify right side
   2,108,854,820.43x = 3,505,030,474,190,409,216
5. Step 5: Solve for x
   x = 3,505,030,474,190,409,216/2,108,854,820.43
6. Step 6: Final answer
   x = 1,662,053,945.22