Finding the Fourth Proportional to 1,039,735.54, 1,434,236.46 and 625,984.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,735.54 : 1,434,236.46 = 625,984.72 : x
2. Step 2: Convert to fraction form
   1,039,735.54/1,434,236.46 = 625,984.72/x
3. Step 3: Cross multiply
   1,039,735.54x = 1,434,236.46 × 625,984.72
4. Step 4: Simplify right side
   1,039,735.54x = 897,810,108,826.89
5. Step 5: Solve for x
   x = 897,810,108,826.89/1,039,735.54
6. Step 6: Final answer
   x = 863,498.53