Finding the Fourth Proportional to 3,396.53, 5,094.72 and 931.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,396.53 : 5,094.72 = 931.39 : x
2. Step 2: Convert to fraction form
   3,396.53/5,094.72 = 931.39/x
3. Step 3: Cross multiply
   3,396.53x = 5,094.72 × 931.39
4. Step 4: Simplify right side
   3,396.53x = 4,745,158.52
5. Step 5: Solve for x
   x = 4,745,158.52/3,396.53
6. Step 6: Final answer
   x = 1,397.06