Finding the Fourth Proportional to 2,102.34, 3,146.83 and 1,175.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102.34 : 3,146.83 = 1,175.07 : x
2. Step 2: Convert to fraction form
   2,102.34/3,146.83 = 1,175.07/x
3. Step 3: Cross multiply
   2,102.34x = 3,146.83 × 1,175.07
4. Step 4: Simplify right side
   2,102.34x = 3,697,745.53
5. Step 5: Solve for x
   x = 3,697,745.53/2,102.34
6. Step 6: Final answer
   x = 1,758.87