Finding the Fourth Proportional to 1,342.45, 1,852.61 and 753.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.45 : 1,852.61 = 753.10 : x
2. Step 2: Convert to fraction form
   1,342.45/1,852.61 = 753.10/x
3. Step 3: Cross multiply
   1,342.45x = 1,852.61 × 753.10
4. Step 4: Simplify right side
   1,342.45x = 1,395,200.59
5. Step 5: Solve for x
   x = 1,395,200.59/1,342.45
6. Step 6: Final answer
   x = 1,039.29