Finding the Fourth Proportional to 2,185,456,422.16, 3,278,190,231.96 and 892,991,910.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,456,422.16 : 3,278,190,231.96 = 892,991,910.16 : x
2. Step 2: Convert to fraction form
   2,185,456,422.16/3,278,190,231.96 = 892,991,910.16/x
3. Step 3: Cross multiply
   2,185,456,422.16x = 3,278,190,231.96 × 892,991,910.16
4. Step 4: Simplify right side
   2,185,456,422.16x = 2,927,397,357,105,814,016
5. Step 5: Solve for x
   x = 2,927,397,357,105,814,016/2,185,456,422.16
6. Step 6: Final answer
   x = 1,339,490,152.91