Finding the Fourth Proportional to 726,897.86, 1,003,096.71 and 404,599.67

Step by Step Solution

1. Step 1: Write the proportion equation
   726,897.86 : 1,003,096.71 = 404,599.67 : x
2. Step 2: Convert to fraction form
   726,897.86/1,003,096.71 = 404,599.67/x
3. Step 3: Cross multiply
   726,897.86x = 1,003,096.71 × 404,599.67
4. Step 4: Simplify right side
   726,897.86x = 405,852,592,828.60
5. Step 5: Solve for x
   x = 405,852,592,828.60/726,897.86
6. Step 6: Final answer
   x = 558,335.11