Finding the Fourth Proportional to 1,889.52, 2,606.72 and 1,180.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.52 : 2,606.72 = 1,180.92 : x
2. Step 2: Convert to fraction form
   1,889.52/2,606.72 = 1,180.92/x
3. Step 3: Cross multiply
   1,889.52x = 2,606.72 × 1,180.92
4. Step 4: Simplify right side
   1,889.52x = 3,078,327.78
5. Step 5: Solve for x
   x = 3,078,327.78/1,889.52
6. Step 6: Final answer
   x = 1,629.16