Finding the Fourth Proportional to 2,142,231,167.62, 2,956,116,771.34 and 1,202,252,269.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,231,167.62 : 2,956,116,771.34 = 1,202,252,269.06 : x
2. Step 2: Convert to fraction form
   2,142,231,167.62/2,956,116,771.34 = 1,202,252,269.06/x
3. Step 3: Cross multiply
   2,142,231,167.62x = 2,956,116,771.34 × 1,202,252,269.06
4. Step 4: Simplify right side
   2,142,231,167.62x = 3,553,998,095,949,836,288
5. Step 5: Solve for x
   x = 3,553,998,095,949,836,288/2,142,231,167.62
6. Step 6: Final answer
   x = 1,659,017,079.79