Finding the Fourth Proportional to 1,368.68, 1,889.96 and 1,073.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.68 : 1,889.96 = 1,073.42 : x
2. Step 2: Convert to fraction form
   1,368.68/1,889.96 = 1,073.42/x
3. Step 3: Cross multiply
   1,368.68x = 1,889.96 × 1,073.42
4. Step 4: Simplify right side
   1,368.68x = 2,028,720.86
5. Step 5: Solve for x
   x = 2,028,720.86/1,368.68
6. Step 6: Final answer
   x = 1,482.25