Finding the Fourth Proportional to 637,779,513.72, 880,135,739.82 and 344,424,081.72

Step by Step Solution

1. Step 1: Write the proportion equation
   637,779,513.72 : 880,135,739.82 = 344,424,081.72 : x
2. Step 2: Convert to fraction form
   637,779,513.72/880,135,739.82 = 344,424,081.72/x
3. Step 3: Cross multiply
   637,779,513.72x = 880,135,739.82 × 344,424,081.72
4. Step 4: Simplify right side
   637,779,513.72x = 303,139,943,976,456,384
5. Step 5: Solve for x
   x = 303,139,943,976,456,384/637,779,513.72
6. Step 6: Final answer
   x = 475,305,238.65