Finding the Fourth Proportional to 3,188.25, 4,399.83 and 1,791

Step by Step Solution

1. Step 1: Write the proportion equation
   3,188.25 : 4,399.83 = 1,791 : x
2. Step 2: Convert to fraction form
   3,188.25/4,399.83 = 1,791/x
3. Step 3: Cross multiply
   3,188.25x = 4,399.83 × 1,791
4. Step 4: Simplify right side
   3,188.25x = 7,880,095.53
5. Step 5: Solve for x
   x = 7,880,095.53/3,188.25
6. Step 6: Final answer
   x = 2,471.61