Finding the Fourth Proportional to 740,949.12, 1,022,510.82 and 401,417.37

Step by Step Solution

1. Step 1: Write the proportion equation
   740,949.12 : 1,022,510.82 = 401,417.37 : x
2. Step 2: Convert to fraction form
   740,949.12/1,022,510.82 = 401,417.37/x
3. Step 3: Cross multiply
   740,949.12x = 1,022,510.82 × 401,417.37
4. Step 4: Simplify right side
   740,949.12x = 410,453,604,160.94
5. Step 5: Solve for x
   x = 410,453,604,160.94/740,949.12
6. Step 6: Final answer
   x = 553,956.53