Finding the Fourth Proportional to 2,103.86, 3,151.74 and 1,176.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.86 : 3,151.74 = 1,176.60 : x
2. Step 2: Convert to fraction form
   2,103.86/3,151.74 = 1,176.60/x
3. Step 3: Cross multiply
   2,103.86x = 3,151.74 × 1,176.60
4. Step 4: Simplify right side
   2,103.86x = 3,708,337.28
5. Step 5: Solve for x
   x = 3,708,337.28/2,103.86
6. Step 6: Final answer
   x = 1,762.64