Finding the Fourth Proportional to 2,146,449,440.24, 2,960,101,783.28 and 1,392,956,945.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,449,440.24 : 2,960,101,783.28 = 1,392,956,945.42 : x
2. Step 2: Convert to fraction form
   2,146,449,440.24/2,960,101,783.28 = 1,392,956,945.42/x
3. Step 3: Cross multiply
   2,146,449,440.24x = 2,960,101,783.28 × 1,392,956,945.42
4. Step 4: Simplify right side
   2,146,449,440.24x = 4,123,294,338,170,003,968
5. Step 5: Solve for x
   x = 4,123,294,338,170,003,968/2,146,449,440.24
6. Step 6: Final answer
   x = 1,920,983,676.98