Finding the Fourth Proportional to 1,907.34, 2,860.89 and 736.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907.34 : 2,860.89 = 736.86 : x
2. Step 2: Convert to fraction form
   1,907.34/2,860.89 = 736.86/x
3. Step 3: Cross multiply
   1,907.34x = 2,860.89 × 736.86
4. Step 4: Simplify right side
   1,907.34x = 2,108,075.41
5. Step 5: Solve for x
   x = 2,108,075.41/1,907.34
6. Step 6: Final answer
   x = 1,105.24