Finding the Fourth Proportional to 957,662.93, 1,321,540.83 and 522,071.25

Step by Step Solution

1. Step 1: Write the proportion equation
   957,662.93 : 1,321,540.83 = 522,071.25 : x
2. Step 2: Convert to fraction form
   957,662.93/1,321,540.83 = 522,071.25/x
3. Step 3: Cross multiply
   957,662.93x = 1,321,540.83 × 522,071.25
4. Step 4: Simplify right side
   957,662.93x = 689,938,476,042.15
5. Step 5: Solve for x
   x = 689,938,476,042.15/957,662.93
6. Step 6: Final answer
   x = 720,439.79