Finding the Fourth Proportional to 1,942.38, 2,899.40 and 1,684.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.38 : 2,899.40 = 1,684.19 : x
2. Step 2: Convert to fraction form
   1,942.38/2,899.40 = 1,684.19/x
3. Step 3: Cross multiply
   1,942.38x = 2,899.40 × 1,684.19
4. Step 4: Simplify right side
   1,942.38x = 4,883,139.31
5. Step 5: Solve for x
   x = 4,883,139.31/1,942.38
6. Step 6: Final answer
   x = 2,514.00