Finding the Fourth Proportional to 2,106.69, 2,904.50 and 1,442.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.69 : 2,904.50 = 1,442.39 : x
2. Step 2: Convert to fraction form
   2,106.69/2,904.50 = 1,442.39/x
3. Step 3: Cross multiply
   2,106.69x = 2,904.50 × 1,442.39
4. Step 4: Simplify right side
   2,106.69x = 4,189,400.02
5. Step 5: Solve for x
   x = 4,189,400.02/2,106.69
6. Step 6: Final answer
   x = 1,988.62