Finding the Fourth Proportional to 1,084,603.21, 1,627,012.71 and 401,672.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084,603.21 : 1,627,012.71 = 401,672.82 : x
2. Step 2: Convert to fraction form
   1,084,603.21/1,627,012.71 = 401,672.82/x
3. Step 3: Cross multiply
   1,084,603.21x = 1,627,012.71 × 401,672.82
4. Step 4: Simplify right side
   1,084,603.21x = 653,526,783,401.54
5. Step 5: Solve for x
   x = 653,526,783,401.54/1,084,603.21
6. Step 6: Final answer
   x = 602,549.19