Finding the Fourth Proportional to 1,123.82, 1,685.73 and 474.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.82 : 1,685.73 = 474.14 : x
2. Step 2: Convert to fraction form
   1,123.82/1,685.73 = 474.14/x
3. Step 3: Cross multiply
   1,123.82x = 1,685.73 × 474.14
4. Step 4: Simplify right side
   1,123.82x = 799,272.02
5. Step 5: Solve for x
   x = 799,272.02/1,123.82
6. Step 6: Final answer
   x = 711.21