Finding the Fourth Proportional to 1,116.84, 1,540.90 and 650.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.84 : 1,540.90 = 650.92 : x
2. Step 2: Convert to fraction form
   1,116.84/1,540.90 = 650.92/x
3. Step 3: Cross multiply
   1,116.84x = 1,540.90 × 650.92
4. Step 4: Simplify right side
   1,116.84x = 1,003,002.63
5. Step 5: Solve for x
   x = 1,003,002.63/1,116.84
6. Step 6: Final answer
   x = 898.07