Finding the Fourth Proportional to 1,434.05, 2,149.67 and 741.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.05 : 2,149.67 = 741.50 : x
2. Step 2: Convert to fraction form
   1,434.05/2,149.67 = 741.50/x
3. Step 3: Cross multiply
   1,434.05x = 2,149.67 × 741.50
4. Step 4: Simplify right side
   1,434.05x = 1,593,965.85
5. Step 5: Solve for x
   x = 1,593,965.85/1,434.05
6. Step 6: Final answer
   x = 1,111.52