Finding the Fourth Proportional to 769,139.06, 1,061,433.32 and 424,997.24

Step by Step Solution

1. Step 1: Write the proportion equation
   769,139.06 : 1,061,433.32 = 424,997.24 : x
2. Step 2: Convert to fraction form
   769,139.06/1,061,433.32 = 424,997.24/x
3. Step 3: Cross multiply
   769,139.06x = 1,061,433.32 × 424,997.24
4. Step 4: Simplify right side
   769,139.06x = 451,106,224,011.88
5. Step 5: Solve for x
   x = 451,106,224,011.88/769,139.06
6. Step 6: Final answer
   x = 586,508.02