Finding the Fourth Proportional to 1,381.02, 2,067.84 and 730.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381.02 : 2,067.84 = 730.38 : x
2. Step 2: Convert to fraction form
   1,381.02/2,067.84 = 730.38/x
3. Step 3: Cross multiply
   1,381.02x = 2,067.84 × 730.38
4. Step 4: Simplify right side
   1,381.02x = 1,510,308.98
5. Step 5: Solve for x
   x = 1,510,308.98/1,381.02
6. Step 6: Final answer
   x = 1,093.62