Finding the Fourth Proportional to 1,914.72, 2,872.56 and 760.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.72 : 2,872.56 = 760.56 : x
2. Step 2: Convert to fraction form
   1,914.72/2,872.56 = 760.56/x
3. Step 3: Cross multiply
   1,914.72x = 2,872.56 × 760.56
4. Step 4: Simplify right side
   1,914.72x = 2,184,754.23
5. Step 5: Solve for x
   x = 2,184,754.23/1,914.72
6. Step 6: Final answer
   x = 1,141.03