Finding the Fourth Proportional to 1,131,826,628.82, 1,561,607,095.23 and 679,587,133.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,826,628.82 : 1,561,607,095.23 = 679,587,133.98 : x
2. Step 2: Convert to fraction form
   1,131,826,628.82/1,561,607,095.23 = 679,587,133.98/x
3. Step 3: Cross multiply
   1,131,826,628.82x = 1,561,607,095.23 × 679,587,133.98
4. Step 4: Simplify right side
   1,131,826,628.82x = 1,061,248,090,250,188,672
5. Step 5: Solve for x
   x = 1,061,248,090,250,188,672/1,131,826,628.82
6. Step 6: Final answer
   x = 937,641,917.26