Finding the Fourth Proportional to 2,142,231,168.12, 2,956,116,772.04 and 1,202,252,269.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,231,168.12 : 2,956,116,772.04 = 1,202,252,269.56 : x
2. Step 2: Convert to fraction form
   2,142,231,168.12/2,956,116,772.04 = 1,202,252,269.56/x
3. Step 3: Cross multiply
   2,142,231,168.12x = 2,956,116,772.04 × 1,202,252,269.56
4. Step 4: Simplify right side
   2,142,231,168.12x = 3,553,998,098,263,459,328
5. Step 5: Solve for x
   x = 3,553,998,098,263,459,328/2,142,231,168.12
6. Step 6: Final answer
   x = 1,659,017,080.49