Finding the Fourth Proportional to 726,896.98, 1,003,095.50 and 404,598.79

Step by Step Solution

1. Step 1: Write the proportion equation
   726,896.98 : 1,003,095.50 = 404,598.79 : x
2. Step 2: Convert to fraction form
   726,896.98/1,003,095.50 = 404,598.79/x
3. Step 3: Cross multiply
   726,896.98x = 1,003,095.50 × 404,598.79
4. Step 4: Simplify right side
   726,896.98x = 405,851,225,554.45
5. Step 5: Solve for x
   x = 405,851,225,554.45/726,896.98
6. Step 6: Final answer
   x = 558,333.90