Finding the Fourth Proportional to 7,111.61, 10,662.84 and 2,954.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.61 : 10,662.84 = 2,954.49 : x
2. Step 2: Convert to fraction form
   7,111.61/10,662.84 = 2,954.49/x
3. Step 3: Cross multiply
   7,111.61x = 10,662.84 × 2,954.49
4. Step 4: Simplify right side
   7,111.61x = 31,503,254.15
5. Step 5: Solve for x
   x = 31,503,254.15/7,111.61
6. Step 6: Final answer
   x = 4,429.84