Finding the Fourth Proportional to 1,992.10, 2,749.32 and 1,152.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992.10 : 2,749.32 = 1,152.79 : x
2. Step 2: Convert to fraction form
   1,992.10/2,749.32 = 1,152.79/x
3. Step 3: Cross multiply
   1,992.10x = 2,749.32 × 1,152.79
4. Step 4: Simplify right side
   1,992.10x = 3,169,387.72
5. Step 5: Solve for x
   x = 3,169,387.72/1,992.10
6. Step 6: Final answer
   x = 1,590.98