Finding the Fourth Proportional to 769,238.38, 1,061,546.32 and 425,064.72

Step by Step Solution

1. Step 1: Write the proportion equation
   769,238.38 : 1,061,546.32 = 425,064.72 : x
2. Step 2: Convert to fraction form
   769,238.38/1,061,546.32 = 425,064.72/x
3. Step 3: Cross multiply
   769,238.38x = 1,061,546.32 × 425,064.72
4. Step 4: Simplify right side
   769,238.38x = 451,225,889,277.83
5. Step 5: Solve for x
   x = 451,225,889,277.83/769,238.38
6. Step 6: Final answer
   x = 586,587.85