Finding the Fourth Proportional to 743,561,469.68, 1,026,109,153.98 and 409,026,788.69

Step by Step Solution

1. Step 1: Write the proportion equation
   743,561,469.68 : 1,026,109,153.98 = 409,026,788.69 : x
2. Step 2: Convert to fraction form
   743,561,469.68/1,026,109,153.98 = 409,026,788.69/x
3. Step 3: Cross multiply
   743,561,469.68x = 1,026,109,153.98 × 409,026,788.69
4. Step 4: Simplify right side
   743,561,469.68x = 419,706,132,092,721,600
5. Step 5: Solve for x
   x = 419,706,132,092,721,600/743,561,469.68
6. Step 6: Final answer
   x = 564,453,847.07