Finding the Fourth Proportional to 2,102.86, 3,150.24 and 1,175.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102.86 : 3,150.24 = 1,175.60 : x
2. Step 2: Convert to fraction form
   2,102.86/3,150.24 = 1,175.60/x
3. Step 3: Cross multiply
   2,102.86x = 3,150.24 × 1,175.60
4. Step 4: Simplify right side
   2,102.86x = 3,703,433.88
5. Step 5: Solve for x
   x = 3,703,433.88/2,102.86
6. Step 6: Final answer
   x = 1,761.14