Finding the Fourth Proportional to 1,601.31, 2,400.72 and 736.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.31 : 2,400.72 = 736.23 : x
2. Step 2: Convert to fraction form
   1,601.31/2,400.72 = 736.23/x
3. Step 3: Cross multiply
   1,601.31x = 2,400.72 × 736.23
4. Step 4: Simplify right side
   1,601.31x = 1,767,482.09
5. Step 5: Solve for x
   x = 1,767,482.09/1,601.31
6. Step 6: Final answer
   x = 1,103.77