Finding the Fourth Proportional to 3,061.96, 4,589.82 and 1,212.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.96 : 4,589.82 = 1,212.32 : x
2. Step 2: Convert to fraction form
   3,061.96/4,589.82 = 1,212.32/x
3. Step 3: Cross multiply
   3,061.96x = 4,589.82 × 1,212.32
4. Step 4: Simplify right side
   3,061.96x = 5,564,330.58
5. Step 5: Solve for x
   x = 5,564,330.58/3,061.96
6. Step 6: Final answer
   x = 1,817.24