Finding the Fourth Proportional to 2,100.66, 3,151.17 and 1,176.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.66 : 3,151.17 = 1,176.18 : x
2. Step 2: Convert to fraction form
   2,100.66/3,151.17 = 1,176.18/x
3. Step 3: Cross multiply
   2,100.66x = 3,151.17 × 1,176.18
4. Step 4: Simplify right side
   2,100.66x = 3,706,343.13
5. Step 5: Solve for x
   x = 3,706,343.13/2,100.66
6. Step 6: Final answer
   x = 1,764.37