Finding the Fourth Proportional to 592,456,456.76, 818,139,486.22 and 443,519,008.43

Step by Step Solution

1. Step 1: Write the proportion equation
   592,456,456.76 : 818,139,486.22 = 443,519,008.43 : x
2. Step 2: Convert to fraction form
   592,456,456.76/818,139,486.22 = 443,519,008.43/x
3. Step 3: Cross multiply
   592,456,456.76x = 818,139,486.22 × 443,519,008.43
4. Step 4: Simplify right side
   592,456,456.76x = 362,860,413,680,524,544
5. Step 5: Solve for x
   x = 362,860,413,680,524,544/592,456,456.76
6. Step 6: Final answer
   x = 612,467,649.80