Finding the Fourth Proportional to 1,342.62, 1,852.74 and 753.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.62 : 1,852.74 = 753.12 : x
2. Step 2: Convert to fraction form
   1,342.62/1,852.74 = 753.12/x
3. Step 3: Cross multiply
   1,342.62x = 1,852.74 × 753.12
4. Step 4: Simplify right side
   1,342.62x = 1,395,335.55
5. Step 5: Solve for x
   x = 1,395,335.55/1,342.62
6. Step 6: Final answer
   x = 1,039.26