Finding the Fourth Proportional to 1,349.63, 2,019.74 and 933.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.63 : 2,019.74 = 933.59 : x
2. Step 2: Convert to fraction form
   1,349.63/2,019.74 = 933.59/x
3. Step 3: Cross multiply
   1,349.63x = 2,019.74 × 933.59
4. Step 4: Simplify right side
   1,349.63x = 1,885,609.45
5. Step 5: Solve for x
   x = 1,885,609.45/1,349.63
6. Step 6: Final answer
   x = 1,397.13