Finding the Fourth Proportional to 1,238.93, 1,709.69 and 735.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238.93 : 1,709.69 = 735.12 : x
2. Step 2: Convert to fraction form
   1,238.93/1,709.69 = 735.12/x
3. Step 3: Cross multiply
   1,238.93x = 1,709.69 × 735.12
4. Step 4: Simplify right side
   1,238.93x = 1,256,827.31
5. Step 5: Solve for x
   x = 1,256,827.31/1,238.93
6. Step 6: Final answer
   x = 1,014.45