Finding the Fourth Proportional to 1,907.31, 2,859.61 and 736.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907.31 : 2,859.61 = 736.32 : x
2. Step 2: Convert to fraction form
   1,907.31/2,859.61 = 736.32/x
3. Step 3: Cross multiply
   1,907.31x = 2,859.61 × 736.32
4. Step 4: Simplify right side
   1,907.31x = 2,105,588.04
5. Step 5: Solve for x
   x = 2,105,588.04/1,907.31
6. Step 6: Final answer
   x = 1,103.96