Finding the Fourth Proportional to 2,567,057,128.21, 3,852,016,383.98 and 1,386,613,818.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567,057,128.21 : 3,852,016,383.98 = 1,386,613,818.01 : x
2. Step 2: Convert to fraction form
   2,567,057,128.21/3,852,016,383.98 = 1,386,613,818.01/x
3. Step 3: Cross multiply
   2,567,057,128.21x = 3,852,016,383.98 × 1,386,613,818.01
4. Step 4: Simplify right side
   2,567,057,128.21x = 5,341,259,145,228,152,832
5. Step 5: Solve for x
   x = 5,341,259,145,228,152,832/2,567,057,128.21
6. Step 6: Final answer
   x = 2,080,693,525.10