Finding the Fourth Proportional to 743,805,773.33, 1,026,421,192.61 and 404,715,644.48

Step by Step Solution

1. Step 1: Write the proportion equation
   743,805,773.33 : 1,026,421,192.61 = 404,715,644.48 : x
2. Step 2: Convert to fraction form
   743,805,773.33/1,026,421,192.61 = 404,715,644.48/x
3. Step 3: Cross multiply
   743,805,773.33x = 1,026,421,192.61 × 404,715,644.48
4. Step 4: Simplify right side
   743,805,773.33x = 415,408,714,467,930,688
5. Step 5: Solve for x
   x = 415,408,714,467,930,688/743,805,773.33
6. Step 6: Final answer
   x = 558,490,844.47