Finding the Fourth Proportional to 2,588,675,839.99, 3,882,990,339.89 and 818,046,849.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588,675,839.99 : 3,882,990,339.89 = 818,046,849.93 : x
2. Step 2: Convert to fraction form
   2,588,675,839.99/3,882,990,339.89 = 818,046,849.93/x
3. Step 3: Cross multiply
   2,588,675,839.99x = 3,882,990,339.89 × 818,046,849.93
4. Step 4: Simplify right side
   2,588,675,839.99x = 3,176,468,015,855,634,432
5. Step 5: Solve for x
   x = 3,176,468,015,855,634,432/2,588,675,839.99
6. Step 6: Final answer
   x = 1,227,062,873.92