Finding the Fourth Proportional to 1,395.17, 1,925.14 and 835.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.17 : 1,925.14 = 835.51 : x
2. Step 2: Convert to fraction form
   1,395.17/1,925.14 = 835.51/x
3. Step 3: Cross multiply
   1,395.17x = 1,925.14 × 835.51
4. Step 4: Simplify right side
   1,395.17x = 1,608,466.82
5. Step 5: Solve for x
   x = 1,608,466.82/1,395.17
6. Step 6: Final answer
   x = 1,152.89