Finding the Fourth Proportional to 755,359.30, 1,134,351.15 and 401,065.30

Step by Step Solution

1. Step 1: Write the proportion equation
   755,359.30 : 1,134,351.15 = 401,065.30 : x
2. Step 2: Convert to fraction form
   755,359.30/1,134,351.15 = 401,065.30/x
3. Step 3: Cross multiply
   755,359.30x = 1,134,351.15 × 401,065.30
4. Step 4: Simplify right side
   755,359.30x = 454,948,884,280.10
5. Step 5: Solve for x
   x = 454,948,884,280.10/755,359.30
6. Step 6: Final answer
   x = 602,294.68