Finding the Fourth Proportional to 2,512,191,952.56, 3,768,849,952.56 and 765,531,390

Step by Step Solution

1. Step 1: Write the proportion equation
   2,512,191,952.56 : 3,768,849,952.56 = 765,531,390 : x
2. Step 2: Convert to fraction form
   2,512,191,952.56/3,768,849,952.56 = 765,531,390/x
3. Step 3: Cross multiply
   2,512,191,952.56x = 3,768,849,952.56 × 765,531,390
4. Step 4: Simplify right side
   2,512,191,952.56x = 2,885,172,942,884,690,944
5. Step 5: Solve for x
   x = 2,885,172,942,884,690,944/2,512,191,952.56
6. Step 6: Final answer
   x = 1,148,468,348.51