Finding the Fourth Proportional to 3,123.90, 4,683.69 and 1,175.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.90 : 4,683.69 = 1,175.58 : x
2. Step 2: Convert to fraction form
   3,123.90/4,683.69 = 1,175.58/x
3. Step 3: Cross multiply
   3,123.90x = 4,683.69 × 1,175.58
4. Step 4: Simplify right side
   3,123.90x = 5,506,052.29
5. Step 5: Solve for x
   x = 5,506,052.29/3,123.90
6. Step 6: Final answer
   x = 1,762.56