Finding the Fourth Proportional to 3,061.31, 4,224.49 and 1,664.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.31 : 4,224.49 = 1,664.03 : x
2. Step 2: Convert to fraction form
   3,061.31/4,224.49 = 1,664.03/x
3. Step 3: Cross multiply
   3,061.31x = 4,224.49 × 1,664.03
4. Step 4: Simplify right side
   3,061.31x = 7,029,669.77
5. Step 5: Solve for x
   x = 7,029,669.77/3,061.31
6. Step 6: Final answer
   x = 2,296.29