Finding the Fourth Proportional to 1,301.90, 1,796.60 and 742.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.90 : 1,796.60 = 742.34 : x
2. Step 2: Convert to fraction form
   1,301.90/1,796.60 = 742.34/x
3. Step 3: Cross multiply
   1,301.90x = 1,796.60 × 742.34
4. Step 4: Simplify right side
   1,301.90x = 1,333,688.04
5. Step 5: Solve for x
   x = 1,333,688.04/1,301.90
6. Step 6: Final answer
   x = 1,024.42