Finding the Fourth Proportional to 1,401,017.91, 2,101,822.31 and 454,315.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,017.91 : 2,101,822.31 = 454,315.02 : x
2. Step 2: Convert to fraction form
   1,401,017.91/2,101,822.31 = 454,315.02/x
3. Step 3: Cross multiply
   1,401,017.91x = 2,101,822.31 × 454,315.02
4. Step 4: Simplify right side
   1,401,017.91x = 954,889,444,804.10
5. Step 5: Solve for x
   x = 954,889,444,804.10/1,401,017.91
6. Step 6: Final answer
   x = 681,568.34