Finding the Fourth Proportional to 1,321.98, 1,979.81 and 735.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321.98 : 1,979.81 = 735.52 : x
2. Step 2: Convert to fraction form
   1,321.98/1,979.81 = 735.52/x
3. Step 3: Cross multiply
   1,321.98x = 1,979.81 × 735.52
4. Step 4: Simplify right side
   1,321.98x = 1,456,186.17
5. Step 5: Solve for x
   x = 1,456,186.17/1,321.98
6. Step 6: Final answer
   x = 1,101.52