Finding the Fourth Proportional to 807,417,142.82, 1,114,236,145.24 and 436,139,338.22

Step by Step Solution

1. Step 1: Write the proportion equation
   807,417,142.82 : 1,114,236,145.24 = 436,139,338.22 : x
2. Step 2: Convert to fraction form
   807,417,142.82/1,114,236,145.24 = 436,139,338.22/x
3. Step 3: Cross multiply
   807,417,142.82x = 1,114,236,145.24 × 436,139,338.22
4. Step 4: Simplify right side
   807,417,142.82x = 485,962,215,005,777,408
5. Step 5: Solve for x
   x = 485,962,215,005,777,408/807,417,142.82
6. Step 6: Final answer
   x = 601,872,550.42