Finding the Fourth Proportional to 1,395.16, 1,925.25 and 835.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.16 : 1,925.25 = 835.94 : x
2. Step 2: Convert to fraction form
   1,395.16/1,925.25 = 835.94/x
3. Step 3: Cross multiply
   1,395.16x = 1,925.25 × 835.94
4. Step 4: Simplify right side
   1,395.16x = 1,609,393.49
5. Step 5: Solve for x
   x = 1,609,393.49/1,395.16
6. Step 6: Final answer
   x = 1,153.55