Finding the Fourth Proportional to 1,342.17, 1,852.20 and 752.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.17 : 1,852.20 = 752.76 : x
2. Step 2: Convert to fraction form
   1,342.17/1,852.20 = 752.76/x
3. Step 3: Cross multiply
   1,342.17x = 1,852.20 × 752.76
4. Step 4: Simplify right side
   1,342.17x = 1,394,262.07
5. Step 5: Solve for x
   x = 1,394,262.07/1,342.17
6. Step 6: Final answer
   x = 1,038.81