Finding the Fourth Proportional to 1,272.68, 1,755.72 and 741.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272.68 : 1,755.72 = 741.50 : x
2. Step 2: Convert to fraction form
   1,272.68/1,755.72 = 741.50/x
3. Step 3: Cross multiply
   1,272.68x = 1,755.72 × 741.50
4. Step 4: Simplify right side
   1,272.68x = 1,301,866.38
5. Step 5: Solve for x
   x = 1,301,866.38/1,272.68
6. Step 6: Final answer
   x = 1,022.93