Finding the Fourth Proportional to 5,783.73, 8,630.15 and 5,431.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,783.73 : 8,630.15 = 5,431.07 : x
2. Step 2: Convert to fraction form
   5,783.73/8,630.15 = 5,431.07/x
3. Step 3: Cross multiply
   5,783.73x = 8,630.15 × 5,431.07
4. Step 4: Simplify right side
   5,783.73x = 46,870,948.76
5. Step 5: Solve for x
   x = 46,870,948.76/5,783.73
6. Step 6: Final answer
   x = 8,103.93