Finding the Fourth Proportional to 741,402.09, 1,023,133.91 and 401,870.25

Step by Step Solution

1. Step 1: Write the proportion equation
   741,402.09 : 1,023,133.91 = 401,870.25 : x
2. Step 2: Convert to fraction form
   741,402.09/1,023,133.91 = 401,870.25/x
3. Step 3: Cross multiply
   741,402.09x = 1,023,133.91 × 401,870.25
4. Step 4: Simplify right side
   741,402.09x = 411,167,078,185.83
5. Step 5: Solve for x
   x = 411,167,078,185.83/741,402.09
6. Step 6: Final answer
   x = 554,580.41