Finding the Fourth Proportional to 1,327.37, 1,990.59 and 634.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,327.37 : 1,990.59 = 634.82 : x
2. Step 2: Convert to fraction form
   1,327.37/1,990.59 = 634.82/x
3. Step 3: Cross multiply
   1,327.37x = 1,990.59 × 634.82
4. Step 4: Simplify right side
   1,327.37x = 1,263,656.39
5. Step 5: Solve for x
   x = 1,263,656.39/1,327.37
6. Step 6: Final answer
   x = 952.00