Finding the Fourth Proportional to 1,425.05, 1,966.10 and 835.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.05 : 1,966.10 = 835.16 : x
2. Step 2: Convert to fraction form
   1,425.05/1,966.10 = 835.16/x
3. Step 3: Cross multiply
   1,425.05x = 1,966.10 × 835.16
4. Step 4: Simplify right side
   1,425.05x = 1,642,008.82
5. Step 5: Solve for x
   x = 1,642,008.82/1,425.05
6. Step 6: Final answer
   x = 1,152.25