Finding the Fourth Proportional to 1,627.94, 2,439.61 and 933.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.94 : 2,439.61 = 933.56 : x
2. Step 2: Convert to fraction form
   1,627.94/2,439.61 = 933.56/x
3. Step 3: Cross multiply
   1,627.94x = 2,439.61 × 933.56
4. Step 4: Simplify right side
   1,627.94x = 2,277,522.31
5. Step 5: Solve for x
   x = 2,277,522.31/1,627.94
6. Step 6: Final answer
   x = 1,399.02