Finding the Fourth Proportional to 2,112.32, 2,914.96 and 1,180.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.32 : 2,914.96 = 1,180.80 : x
2. Step 2: Convert to fraction form
   2,112.32/2,914.96 = 1,180.80/x
3. Step 3: Cross multiply
   2,112.32x = 2,914.96 × 1,180.80
4. Step 4: Simplify right side
   2,112.32x = 3,441,984.77
5. Step 5: Solve for x
   x = 3,441,984.77/2,112.32
6. Step 6: Final answer
   x = 1,629.48