Finding the Fourth Proportional to 1,131,826,629.82, 1,561,607,096.61 and 679,587,134.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,826,629.82 : 1,561,607,096.61 = 679,587,134.98 : x
2. Step 2: Convert to fraction form
   1,131,826,629.82/1,561,607,096.61 = 679,587,134.98/x
3. Step 3: Cross multiply
   1,131,826,629.82x = 1,561,607,096.61 × 679,587,134.98
4. Step 4: Simplify right side
   1,131,826,629.82x = 1,061,248,092,749,625,984
5. Step 5: Solve for x
   x = 1,061,248,092,749,625,984/1,131,826,629.82
6. Step 6: Final answer
   x = 937,641,918.64