Finding the Fourth Proportional to 1,907.56, 2,859.72 and 754.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907.56 : 2,859.72 = 754.12 : x
2. Step 2: Convert to fraction form
   1,907.56/2,859.72 = 754.12/x
3. Step 3: Cross multiply
   1,907.56x = 2,859.72 × 754.12
4. Step 4: Simplify right side
   1,907.56x = 2,156,572.05
5. Step 5: Solve for x
   x = 2,156,572.05/1,907.56
6. Step 6: Final answer
   x = 1,130.54