Finding the Fourth Proportional to 741,315.33, 1,022,987.61 and 401,776.29

Step by Step Solution

1. Step 1: Write the proportion equation
   741,315.33 : 1,022,987.61 = 401,776.29 : x
2. Step 2: Convert to fraction form
   741,315.33/1,022,987.61 = 401,776.29/x
3. Step 3: Cross multiply
   741,315.33x = 1,022,987.61 × 401,776.29
4. Step 4: Simplify right side
   741,315.33x = 411,012,166,661.77
5. Step 5: Solve for x
   x = 411,012,166,661.77/741,315.33
6. Step 6: Final answer
   x = 554,436.35