Finding the Fourth Proportional to 1,814.69, 2,505.68 and 1,394.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.69 : 2,505.68 = 1,394.37 : x
2. Step 2: Convert to fraction form
   1,814.69/2,505.68 = 1,394.37/x
3. Step 3: Cross multiply
   1,814.69x = 2,505.68 × 1,394.37
4. Step 4: Simplify right side
   1,814.69x = 3,493,845.02
5. Step 5: Solve for x
   x = 3,493,845.02/1,814.69
6. Step 6: Final answer
   x = 1,925.31