Finding the Fourth Proportional to 3,061.08, 4,561.22 and 2,912.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.08 : 4,561.22 = 2,912.32 : x
2. Step 2: Convert to fraction form
   3,061.08/4,561.22 = 2,912.32/x
3. Step 3: Cross multiply
   3,061.08x = 4,561.22 × 2,912.32
4. Step 4: Simplify right side
   3,061.08x = 13,283,732.23
5. Step 5: Solve for x
   x = 13,283,732.23/3,061.08
6. Step 6: Final answer
   x = 4,339.56