Finding the Fourth Proportional to 3,061.13, 4,224.42 and 1,663.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.13 : 4,224.42 = 1,663.88 : x
2. Step 2: Convert to fraction form
   3,061.13/4,224.42 = 1,663.88/x
3. Step 3: Cross multiply
   3,061.13x = 4,224.42 × 1,663.88
4. Step 4: Simplify right side
   3,061.13x = 7,028,906.83
5. Step 5: Solve for x
   x = 7,028,906.83/3,061.13
6. Step 6: Final answer
   x = 2,296.18