Finding the Fourth Proportional to 1,725,258.89, 2,589,040.16 and 603,327.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725,258.89 : 2,589,040.16 = 603,327.89 : x
2. Step 2: Convert to fraction form
   1,725,258.89/2,589,040.16 = 603,327.89/x
3. Step 3: Cross multiply
   1,725,258.89x = 2,589,040.16 × 603,327.89
4. Step 4: Simplify right side
   1,725,258.89x = 1,562,040,142,576.50
5. Step 5: Solve for x
   x = 1,562,040,142,576.50/1,725,258.89
6. Step 6: Final answer
   x = 905,394.63