Finding the Fourth Proportional to 1,383.98, 2,076.58 and 734.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.98 : 2,076.58 = 734.77 : x
2. Step 2: Convert to fraction form
   1,383.98/2,076.58 = 734.77/x
3. Step 3: Cross multiply
   1,383.98x = 2,076.58 × 734.77
4. Step 4: Simplify right side
   1,383.98x = 1,525,798.30
5. Step 5: Solve for x
   x = 1,525,798.30/1,383.98
6. Step 6: Final answer
   x = 1,102.47