Finding the Fourth Proportional to 3,446.89, 5,143.86 and 3,077.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,446.89 : 5,143.86 = 3,077.82 : x
2. Step 2: Convert to fraction form
   3,446.89/5,143.86 = 3,077.82/x
3. Step 3: Cross multiply
   3,446.89x = 5,143.86 × 3,077.82
4. Step 4: Simplify right side
   3,446.89x = 15,831,875.19
5. Step 5: Solve for x
   x = 15,831,875.19/3,446.89
6. Step 6: Final answer
   x = 4,593.09