Finding the Fourth Proportional to 726,897.98, 1,003,096.88 and 404,599.79

Step by Step Solution

1. Step 1: Write the proportion equation
   726,897.98 : 1,003,096.88 = 404,599.79 : x
2. Step 2: Convert to fraction form
   726,897.98/1,003,096.88 = 404,599.79/x
3. Step 3: Cross multiply
   726,897.98x = 1,003,096.88 × 404,599.79
4. Step 4: Simplify right side
   726,897.98x = 405,852,786,997.66
5. Step 5: Solve for x
   x = 405,852,786,997.66/726,897.98
6. Step 6: Final answer
   x = 558,335.28