Finding the Fourth Proportional to 1,922.72, 2,653.16 and 1,176.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,922.72 : 2,653.16 = 1,176.89 : x
2. Step 2: Convert to fraction form
   1,922.72/2,653.16 = 1,176.89/x
3. Step 3: Cross multiply
   1,922.72x = 2,653.16 × 1,176.89
4. Step 4: Simplify right side
   1,922.72x = 3,122,458.32
5. Step 5: Solve for x
   x = 3,122,458.32/1,922.72
6. Step 6: Final answer
   x = 1,623.98