Finding the Fourth Proportional to 1,394.91, 1,925.34 and 835.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.91 : 1,925.34 = 835.74 : x
2. Step 2: Convert to fraction form
   1,394.91/1,925.34 = 835.74/x
3. Step 3: Cross multiply
   1,394.91x = 1,925.34 × 835.74
4. Step 4: Simplify right side
   1,394.91x = 1,609,083.65
5. Step 5: Solve for x
   x = 1,609,083.65/1,394.91
6. Step 6: Final answer
   x = 1,153.54