Finding the Fourth Proportional to 1,667,656,128, 2,499,857,501.12 and 794,022,761.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667,656,128 : 2,499,857,501.12 = 794,022,761.28 : x
2. Step 2: Convert to fraction form
   1,667,656,128/2,499,857,501.12 = 794,022,761.28/x
3. Step 3: Cross multiply
   1,667,656,128x = 2,499,857,501.12 × 794,022,761.28
4. Step 4: Simplify right side
   1,667,656,128x = 1,984,943,755,845,822,976
5. Step 5: Solve for x
   x = 1,984,943,755,845,822,976/1,667,656,128
6. Step 6: Final answer
   x = 1,190,259,623.98