Finding the Fourth Proportional to 1,603,683.48, 2,213,083.17 and 959,103.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603,683.48 : 2,213,083.17 = 959,103.72 : x
2. Step 2: Convert to fraction form
   1,603,683.48/2,213,083.17 = 959,103.72/x
3. Step 3: Cross multiply
   1,603,683.48x = 2,213,083.17 × 959,103.72
4. Step 4: Simplify right side
   1,603,683.48x = 2,122,576,301,016.39
5. Step 5: Solve for x
   x = 2,122,576,301,016.39/1,603,683.48
6. Step 6: Final answer
   x = 1,323,563.11