Finding the Fourth Proportional to 903,300.01, 1,355,474.76 and 404,664.01

Step by Step Solution

1. Step 1: Write the proportion equation
   903,300.01 : 1,355,474.76 = 404,664.01 : x
2. Step 2: Convert to fraction form
   903,300.01/1,355,474.76 = 404,664.01/x
3. Step 3: Cross multiply
   903,300.01x = 1,355,474.76 × 404,664.01
4. Step 4: Simplify right side
   903,300.01x = 548,511,851,835.39
5. Step 5: Solve for x
   x = 548,511,851,835.39/903,300.01
6. Step 6: Final answer
   x = 607,231.09