Finding the Fourth Proportional to 3,670.82, 5,065.68 and 1,992.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670.82 : 5,065.68 = 1,992.18 : x
2. Step 2: Convert to fraction form
   3,670.82/5,065.68 = 1,992.18/x
3. Step 3: Cross multiply
   3,670.82x = 5,065.68 × 1,992.18
4. Step 4: Simplify right side
   3,670.82x = 10,091,746.38
5. Step 5: Solve for x
   x = 10,091,746.38/3,670.82
6. Step 6: Final answer
   x = 2,749.18