Finding the Fourth Proportional to 3,061.76, 4,225.20 and 1,664.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.76 : 4,225.20 = 1,664.52 : x
2. Step 2: Convert to fraction form
   3,061.76/4,225.20 = 1,664.52/x
3. Step 3: Cross multiply
   3,061.76x = 4,225.20 × 1,664.52
4. Step 4: Simplify right side
   3,061.76x = 7,032,929.90
5. Step 5: Solve for x
   x = 7,032,929.90/3,061.76
6. Step 6: Final answer
   x = 2,297.02