Finding the Fourth Proportional to 1,273.02, 1,754.89 and 992.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273.02 : 1,754.89 = 992.94 : x
2. Step 2: Convert to fraction form
   1,273.02/1,754.89 = 992.94/x
3. Step 3: Cross multiply
   1,273.02x = 1,754.89 × 992.94
4. Step 4: Simplify right side
   1,273.02x = 1,742,500.48
5. Step 5: Solve for x
   x = 1,742,500.48/1,273.02
6. Step 6: Final answer
   x = 1,368.79