Finding the Fourth Proportional to 2,076.57, 3,110.60 and 1,663.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.57 : 3,110.60 = 1,663.47 : x
2. Step 2: Convert to fraction form
   2,076.57/3,110.60 = 1,663.47/x
3. Step 3: Cross multiply
   2,076.57x = 3,110.60 × 1,663.47
4. Step 4: Simplify right side
   2,076.57x = 5,174,393.94
5. Step 5: Solve for x
   x = 5,174,393.94/2,076.57
6. Step 6: Final answer
   x = 2,491.80