Finding the Fourth Proportional to 2,957.40, 4,432.32 and 1,106.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,957.40 : 4,432.32 = 1,106.82 : x
2. Step 2: Convert to fraction form
   2,957.40/4,432.32 = 1,106.82/x
3. Step 3: Cross multiply
   2,957.40x = 4,432.32 × 1,106.82
4. Step 4: Simplify right side
   2,957.40x = 4,905,780.42
5. Step 5: Solve for x
   x = 4,905,780.42/2,957.40
6. Step 6: Final answer
   x = 1,658.82