Finding the Fourth Proportional to 624,037,498.88, 861,198,818.71 and 345,579,022.42

Step by Step Solution

1. Step 1: Write the proportion equation
   624,037,498.88 : 861,198,818.71 = 345,579,022.42 : x
2. Step 2: Convert to fraction form
   624,037,498.88/861,198,818.71 = 345,579,022.42/x
3. Step 3: Cross multiply
   624,037,498.88x = 861,198,818.71 × 345,579,022.42
4. Step 4: Simplify right side
   624,037,498.88x = 297,612,245,878,621,696
5. Step 5: Solve for x
   x = 297,612,245,878,621,696/624,037,498.88
6. Step 6: Final answer
   x = 476,914,041.89