Finding the Fourth Proportional to 592,456,461.88, 818,139,493.30 and 443,519,013.56

Step by Step Solution

1. Step 1: Write the proportion equation
   592,456,461.88 : 818,139,493.30 = 443,519,013.56 : x
2. Step 2: Convert to fraction form
   592,456,461.88/818,139,493.30 = 443,519,013.56/x
3. Step 3: Cross multiply
   592,456,461.88x = 818,139,493.30 × 443,519,013.56
4. Step 4: Simplify right side
   592,456,461.88x = 362,860,421,022,894,208
5. Step 5: Solve for x
   x = 362,860,421,022,894,208/592,456,461.88
6. Step 6: Final answer
   x = 612,467,656.90