Finding the Fourth Proportional to 2,146.60, 3,217.06 and 1,106.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.60 : 3,217.06 = 1,106.56 : x
2. Step 2: Convert to fraction form
   2,146.60/3,217.06 = 1,106.56/x
3. Step 3: Cross multiply
   2,146.60x = 3,217.06 × 1,106.56
4. Step 4: Simplify right side
   2,146.60x = 3,559,869.91
5. Step 5: Solve for x
   x = 3,559,869.91/2,146.60
6. Step 6: Final answer
   x = 1,658.38