Finding the Fourth Proportional to 2,100.39, 2,898.77 and 1,314.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.39 : 2,898.77 = 1,314.69 : x
2. Step 2: Convert to fraction form
   2,100.39/2,898.77 = 1,314.69/x
3. Step 3: Cross multiply
   2,100.39x = 2,898.77 × 1,314.69
4. Step 4: Simplify right side
   2,100.39x = 3,810,977.36
5. Step 5: Solve for x
   x = 3,810,977.36/2,100.39
6. Step 6: Final answer
   x = 1,814.41