Finding the Fourth Proportional to 3,061.11, 4,192.58 and 2,881.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.11 : 4,192.58 = 2,881.52 : x
2. Step 2: Convert to fraction form
   3,061.11/4,192.58 = 2,881.52/x
3. Step 3: Cross multiply
   3,061.11x = 4,192.58 × 2,881.52
4. Step 4: Simplify right side
   3,061.11x = 12,081,003.12
5. Step 5: Solve for x
   x = 12,081,003.12/3,061.11
6. Step 6: Final answer
   x = 3,946.61