Finding the Fourth Proportional to 743,805,773.82, 1,026,421,193.30 and 404,715,644.98

Step by Step Solution

1. Step 1: Write the proportion equation
   743,805,773.82 : 1,026,421,193.30 = 404,715,644.98 : x
2. Step 2: Convert to fraction form
   743,805,773.82/1,026,421,193.30 = 404,715,644.98/x
3. Step 3: Cross multiply
   743,805,773.82x = 1,026,421,193.30 × 404,715,644.98
4. Step 4: Simplify right side
   743,805,773.82x = 415,408,715,267,550,784
5. Step 5: Solve for x
   x = 415,408,715,267,550,784/743,805,773.82
6. Step 6: Final answer
   x = 558,490,845.18