Finding the Fourth Proportional to 1,396.56, 2,094.50 and 472.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396.56 : 2,094.50 = 472.10 : x
2. Step 2: Convert to fraction form
   1,396.56/2,094.50 = 472.10/x
3. Step 3: Cross multiply
   1,396.56x = 2,094.50 × 472.10
4. Step 4: Simplify right side
   1,396.56x = 988,800.62
5. Step 5: Solve for x
   x = 988,800.62/1,396.56
6. Step 6: Final answer
   x = 708.03