Finding the Fourth Proportional to 2,339.38, 3,505.72 and 1,106.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.38 : 3,505.72 = 1,106.14 : x
2. Step 2: Convert to fraction form
   2,339.38/3,505.72 = 1,106.14/x
3. Step 3: Cross multiply
   2,339.38x = 3,505.72 × 1,106.14
4. Step 4: Simplify right side
   2,339.38x = 3,877,817.12
5. Step 5: Solve for x
   x = 3,877,817.12/2,339.38
6. Step 6: Final answer
   x = 1,657.63