Finding the Fourth Proportional to 3,061.38, 4,224.73 and 1,664.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.38 : 4,224.73 = 1,664.13 : x
2. Step 2: Convert to fraction form
   3,061.38/4,224.73 = 1,664.13/x
3. Step 3: Cross multiply
   3,061.38x = 4,224.73 × 1,664.13
4. Step 4: Simplify right side
   3,061.38x = 7,030,499.93
5. Step 5: Solve for x
   x = 7,030,499.93/3,061.38
6. Step 6: Final answer
   x = 2,296.51