Finding the Fourth Proportional to 2,185,812,139.30, 3,277,584,468.15 and 804,915,844.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,812,139.30 : 3,277,584,468.15 = 804,915,844.90 : x
2. Step 2: Convert to fraction form
   2,185,812,139.30/3,277,584,468.15 = 804,915,844.90/x
3. Step 3: Cross multiply
   2,185,812,139.30x = 3,277,584,468.15 × 804,915,844.90
4. Step 4: Simplify right side
   2,185,812,139.30x = 2,638,179,671,412,074,496
5. Step 5: Solve for x
   x = 2,638,179,671,412,074,496/2,185,812,139.30
6. Step 6: Final answer
   x = 1,206,956,272.22