Finding the Fourth Proportional to 3,123.18, 4,685.45 and 1,175.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.18 : 4,685.45 = 1,175.38 : x
2. Step 2: Convert to fraction form
   3,123.18/4,685.45 = 1,175.38/x
3. Step 3: Cross multiply
   3,123.18x = 4,685.45 × 1,175.38
4. Step 4: Simplify right side
   3,123.18x = 5,507,184.22
5. Step 5: Solve for x
   x = 5,507,184.22/3,123.18
6. Step 6: Final answer
   x = 1,763.33