Finding the Fourth Proportional to 2,066.90, 3,099.71 and 1,092.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.90 : 3,099.71 = 1,092.47 : x
2. Step 2: Convert to fraction form
   2,066.90/3,099.71 = 1,092.47/x
3. Step 3: Cross multiply
   2,066.90x = 3,099.71 × 1,092.47
4. Step 4: Simplify right side
   2,066.90x = 3,386,319.22
5. Step 5: Solve for x
   x = 3,386,319.22/2,066.90
6. Step 6: Final answer
   x = 1,638.36