Finding the Fourth Proportional to 2,142,422,981.30, 2,956,275,996.14 and 1,189,674,179.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,422,981.30 : 2,956,275,996.14 = 1,189,674,179.98 : x
2. Step 2: Convert to fraction form
   2,142,422,981.30/2,956,275,996.14 = 1,189,674,179.98/x
3. Step 3: Cross multiply
   2,142,422,981.30x = 2,956,275,996.14 × 1,189,674,179.98
4. Step 4: Simplify right side
   2,142,422,981.30x = 3,517,005,221,502,412,288
5. Step 5: Solve for x
   x = 3,517,005,221,502,412,288/2,142,422,981.30
6. Step 6: Final answer
   x = 1,641,601,706.20