Finding the Fourth Proportional to 3,061.30, 4,224.50 and 1,664.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.30 : 4,224.50 = 1,664.05 : x
2. Step 2: Convert to fraction form
   3,061.30/4,224.50 = 1,664.05/x
3. Step 3: Cross multiply
   3,061.30x = 4,224.50 × 1,664.05
4. Step 4: Simplify right side
   3,061.30x = 7,029,779.23
5. Step 5: Solve for x
   x = 7,029,779.23/3,061.30
6. Step 6: Final answer
   x = 2,296.34