Finding the Fourth Proportional to 1,394.93, 1,925.00 and 805.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.93 : 1,925.00 = 805.47 : x
2. Step 2: Convert to fraction form
   1,394.93/1,925.00 = 805.47/x
3. Step 3: Cross multiply
   1,394.93x = 1,925.00 × 805.47
4. Step 4: Simplify right side
   1,394.93x = 1,550,521.52
5. Step 5: Solve for x
   x = 1,550,521.52/1,394.93
6. Step 6: Final answer
   x = 1,111.54