Finding the Fourth Proportional to 2,156,949,448.32, 2,976,561,248.56 and 1,204,344,998.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,949,448.32 : 2,976,561,248.56 = 1,204,344,998.76 : x
2. Step 2: Convert to fraction form
   2,156,949,448.32/2,976,561,248.56 = 1,204,344,998.76/x
3. Step 3: Cross multiply
   2,156,949,448.32x = 2,976,561,248.56 × 1,204,344,998.76
4. Step 4: Simplify right side
   2,156,949,448.32x = 3,584,806,653,206,056,960
5. Step 5: Solve for x
   x = 3,584,806,653,206,056,960/2,156,949,448.32
6. Step 6: Final answer
   x = 1,661,979,911.49