Finding the Fourth Proportional to 2,960.74, 4,438.82 and 1,111.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.74 : 4,438.82 = 1,111.81 : x
2. Step 2: Convert to fraction form
   2,960.74/4,438.82 = 1,111.81/x
3. Step 3: Cross multiply
   2,960.74x = 4,438.82 × 1,111.81
4. Step 4: Simplify right side
   2,960.74x = 4,935,124.46
5. Step 5: Solve for x
   x = 4,935,124.46/2,960.74
6. Step 6: Final answer
   x = 1,666.86