Finding the Fourth Proportional to 1,992.63, 2,749.90 and 1,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992.63 : 2,749.90 = 1,108.50 : x
2. Step 2: Convert to fraction form
   1,992.63/2,749.90 = 1,108.50/x
3. Step 3: Cross multiply
   1,992.63x = 2,749.90 × 1,108.50
4. Step 4: Simplify right side
   1,992.63x = 3,048,264.15
5. Step 5: Solve for x
   x = 3,048,264.15/1,992.63
6. Step 6: Final answer
   x = 1,529.77