Finding the Fourth Proportional to 1,301.73, 1,796.17 and 742.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.73 : 1,796.17 = 742.21 : x
2. Step 2: Convert to fraction form
   1,301.73/1,796.17 = 742.21/x
3. Step 3: Cross multiply
   1,301.73x = 1,796.17 × 742.21
4. Step 4: Simplify right side
   1,301.73x = 1,333,130.38
5. Step 5: Solve for x
   x = 1,333,130.38/1,301.73
6. Step 6: Final answer
   x = 1,024.12