Finding the Fourth Proportional to 2,100.86, 3,149.90 and 1,176.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.86 : 3,149.90 = 1,176.52 : x
2. Step 2: Convert to fraction form
   2,100.86/3,149.90 = 1,176.52/x
3. Step 3: Cross multiply
   2,100.86x = 3,149.90 × 1,176.52
4. Step 4: Simplify right side
   2,100.86x = 3,705,920.35
5. Step 5: Solve for x
   x = 3,705,920.35/2,100.86
6. Step 6: Final answer
   x = 1,764.00