Finding the Fourth Proportional to 3,061.32, 4,224.59 and 1,664.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.32 : 4,224.59 = 1,664.07 : x
2. Step 2: Convert to fraction form
   3,061.32/4,224.59 = 1,664.07/x
3. Step 3: Cross multiply
   3,061.32x = 4,224.59 × 1,664.07
4. Step 4: Simplify right side
   3,061.32x = 7,030,013.48
5. Step 5: Solve for x
   x = 7,030,013.48/3,061.32
6. Step 6: Final answer
   x = 2,296.40